H Hepatoctye H His H Hispanic H Histidine H hafnium H haze H heart H heavy H height H high H histidine H horizontal H hospitalized H hydrogel H hydrogen H hydrophobic HA Hardness A HA High affinity HA Human astrocytes HA Hyaluronic Acid HA Hyaluronic acids HA heteroduplex analysis HA high availability HA high-availability HA home agent HA homology arm HA hosel axis HA hyaluronic acid HAA Human Amniotic Allograft HAADF high-angle annular dark field HAADF high-angle annular dark-field HAART Highly Active Anti-Retroviral Therapy HAB Hardware Accelerator Block HAB high assurance boot HABP hospital-acquired bacterial pneumonia HAC High Amine Capacity HAC Hot Aisle Containment HAC hierarchical agglomerative clustering HAC human artificial chromosome HAC human artificial chromosomes HACA human anti-chimeric antibodies HAD highly automated driving HAD hole accumulation diode HAF Home Access Function HAFOV horizontal angular field of view HAG Hybrid access gateway HAGC host active garbage collection HAI healthcare associated infections HAI hospital-acquired infection HAL Hardware Abstraction Layer HAL Hold-at-Location HAL histidine ammonia lyase HALE High Altitude Long Endurance HALS Hindered Amine Light Stabilizer HALS hindered amine light stabilizers HALT Highly Accelerated Life Time HAM holographic associative memory HAMA human anti-mouse antibodies HAMEC human adipose microvascular endothelial cells HAMR Heat-assisted magnetic recording HAN Hierarchical Attention Networks HAN Home Area Network HAP hardware assisted paging HAP home access point HAP homoamino acid polymer HAP hospital-acquired pneumonia HAPS high-altitude platform station HAPS high-altitude platform stations HAQ health assessment questionnaire HARC high aspect ratio contact HARP high aspect ratio plasma HARP high aspect ratio process HARP high aspect-ratio process HART Highway Addressable Remote Transducer HAS hybrid address space HASL hot air solder leveling HAT HVAC air treatment HAT Histidine affinity tag HAT hypoxanthine-aminopterin-thymidine HAV hepatitis Avirus HAZ Heat Affected Zone HAZ heat-affected zone HB Hole blocking HB Hybrid Beamforming HB high band HBA High Beam Assist HBA host bus adapter HBC Human body communication HBCTLE high bandwidth continuous time linear equalization HBD hydrogen bond donors HBE human bronchial epithelial HBGA Histo-blood group antigen HBGF heparin binding growth. Factor HBI Harvey-Bradshaw Index HBI Hot Briquetted iron HBL hole blocking layer HBL hole-blocking layer HBM High Bandwidth Memory HBM Human Body Mode HBM high-bandwidth memory HBM high-bandwidth-memory HBP Heparin Binding Proteins HBP horizontal back porch HBS Hank's Balance Salts HBS Hash-Based Signature HBSRC half bridge series resonant converter HBSS Hank's Balanced Salt Solution HBSS Hanks Balanced Salt Solution HBSS Hanks' Balanced Salt Solution HBT Heterojunction bipolar transistor HBT heterojunction bipolar transistors HBTU hexafluorophosphate benzotriazole tetramethyl uranium HBV HEPATITIS BVIRUS HBVPRE hepatitis Bvirus posttranscriptional regulatory element HC Haircut Contribution HC Hash Conversion HC Heavy Chain HC hard coating HC heavy chain HC heavy chains HC helper cells HC hydrocarbon components HCA Hierarchical Cluster Analysis HCA Host Channel Adapter HCA Hydrometeor Classification Algorithm HCA hierarchical cluster analysis HCC hepato cellular carcinoma HCCI Homogeneous Charge Compression Ignition HCD high cholesterol diet HCFA Health Care Finance Administration HCFS Hadoop-Compatible File System HCG high conversion gain HCG human chorionic gonadotropin HCI Hot Carrier Injection HCI host controller interface HCI hot carrier injection HCI hyper-converged infrastructure HCL Human Centric Lighting HCL hairy cell leukemia HCM human capital management HCO heavy cycle oil HCO hydrogenated castor oil HCP health care provider HCP hearing care professional HCP hexagonal close-packed HCR high consistency rubber HCR host cell reactivation HCR hybridisation chain reaction HCS High Content Screening HCS high content screen HCS high-content screening HCT hematopoietic cell transplantation HCU hybrid control unit HCU hybrid controller unit HCV Hepatitis CVirus HCVR heavy chain variable region HCW health care worker HD Hausdorff distance HD Hi-Definition HD High Definition HD High-Definition HD Huntington disease HD Huntington's Disease HD hard disk HD hearing device HD helper device HD hexane diol HD high definition HD high density HD high-definition HD hyper-dimensional HDA Helicase Dependent Amplification HDA helicase-dependent amplification HDA highway driving assist HDD Hard Disc Drive HDD Hard Disk Drive HDD Hard-Disk Drivers HDD Human Deceased Donor HDD hard disc drive HDD hard disk device HDD hard disk drive HDD hard disk drives HDD hard-disk drive HDD heavy duty dry HDDS Holographic Digital Data Storage HDF Human Dermal Fibroblasts HDFS Hadoop Distributed File System HDFS Hadoop Distributed Files System HDFS Hadoop Distributed Filing System HDGF Hepatoma-derived growth factor HDHP high-deductible health plans HDL Hardware Description Language HDL Heavy Duty Liquid HDL High Density Lipoprotein HDL hardware description language HDL hardware description languages HDL hardware design language HDL hardware-description language HDL high density lipoprotein HDL high density lipoproteins HDL high-density lipoprotein HDL high-density lipoproteins HDM house dust mite HDMI High Definition Media Interface HDMI High Definition Multimedia Interface HDMI High-Definition Multimedia Interface HDMI high definition multimedia interface HDMI high-definition multimedia interface HDML Handheld Device Markup Language HDMR high dimensional model representation HDP high density plasma HDP high-density plasma HDP high-density-plasma HDP host defense proteins HDPCVD High Density Plasma Chemical Vapor Deposition HDPCVD High-Density Plasma Chemical Vapor Deposition HDPCVD high density plasma chemical vapor deposition HDPCVD high-density plasma chemical vapor deposition HDPE high density poly-ethylene HDR High Data Rate HDR High Dynamic Range HDR High-Dynamic Range HDR Homology driven repair HDR Homology-Directed Repair HDR high definition range HDR high dynamic range HDR high-dose rate HDR high-dynamic range HDR high-dynamic-range HDR homologous dependent recombination HDR homologous direct repair HDR homology dependent repair HDR homology directed repair HDR homology-directed recombination HDR homology-driven repair HDRS Hamilton Depression Rating Scale HDS HTTP Dynamic Streaming HDT Heat Distortion Temperature HDT Heat deflection temperature HDT Heat distortion temperature HDT Human Digital Twin HDT heat deflection temperature HDT heat distortion temperature HDT heuristic decision tree HDTP Handheld Device Transport Protocol HDV Hepatitis Dvirus HDV hepatitis delta virus HDW high density water HE Haseman-Elston HE High Efficiency HE Histogram Equalization HE hemagglutinin esterase HE hematoxylin-eosin HE hemogenic endothelium HE high efficiency HE high-efficiency HE homomorphic encryption HEA high entropy alloy HEATMS hydro-electro-aero-thermal management system HECI host embedded controller interface HED Human Equivalent Dose HEF human embryonic fibroblast HEH high-energy hydroforming HEK Human Embryonic Kidney HEL hole extraction layer HELP High Efficiency Low Power HEMI Human Electro-Muscular Incapacitation HEMT High-Electron-Mobility Transistor HEMT high electron mobility transistor HEMT high electron mobility transistors HEMT high electron-mobility transistor HEMT high-electron mobility transistor HEMT high-electron-mobility transistors HEO Highly Elliptical Orbiting HEO high elliptical orbit HEP Hybrid Electric Propulsion HEPA High Efficiency Particulate Air HEPA high-efficiency particulate absorbing HEPA high-efficiency particulate air HEPA high-efficiency particulate arrestance HEPA high-efficient particulate air HEPE Horizontal Estimated Position Error HER Human embryonic retina HER Hydrogen evolution reaction HER head end router HER hole expansion ratio HER hydrogen evolution reaction HER hydrogen evolution reactions HESC human embryonic stem cells HESM hybrid excitation synchronous machines HETP Height Equivalent Theoretical Plates HEU Highly Enriched Uranium HEV Hepatitis EVirus HEV Hybrid Electrical Vehicles HEV hepatitis Evirus HEV hybrid electric vehicle HEV hybrid electric vehicles HEVC H.265/High Efficiency Video Coding HEVC High Efficiency Video Coding HEVC High-Efficiency Video Coding HEVC high efficiency video coding HEW High Efficiency WLAN HEW High-Efficiency Wireless HF HDMI Forum HF Half Frame HF Heart failure HF High Frequency HF hair follicles HF half-frames HF heart failure HF high frequency HF high-frequency HF hydrogen fluoride HFC Hybrid Fiber Coax HFC Hybrid Fiber-Coaxial HFC hybrid fiber coax HFC hybrid fiber coaxial HFC hybrid fiber-coaxial HFD high fat diet HFD high-fat diet HFET heterostructure field-effect transistor HFF hollow fiber filtration HFI Host fabric interface HFN hyper frame numbers HFNC high flow nasal canula HFOV horizontal field-of-view HFP hands-free profile HFPM high frequency pressure measurement HFR High frequency reconstruction HFR hollow fiber reactor HFRF High Frequency Radio Frequency HFS HTTP Filer Server HFS Horizontal Full Sheet HFS hydrogen forward scattering HFSS high frequency structure simulator HFW Horizontal Field Width HG Hermite Gaussian HG Hermite-Gaussian HG Human Genome HGA hair growth assessment HGA head gimbal assemblies HGA head gimbal assembly HGAA Horizontal Gate All Around HGF Hepatocyte Growth Factor HGFR Hepatocyte Growth Factor Receptor HGH human growth hormone HGI Home Gateway Initiative HGMD Human Gene Mutation Database HGMD Human Genome Mutation Database HGNC HUGO Gene Nomenclature Committee HGR hot gas reheat HGS Hardware Guided Scheduling HGV hepatitis Gvirus HHD hybrid hard disk HHD hybrid hard drive HHFL half-height, full-length HHFNC Humidified High Flow Nasal Cannula HHHL half-height, half-length HHMT high hole mobility transistors HHP hearing healthcare provision HHS hexane hot soluble HHV Higher Heating Value HI HARQ indicator HI Health Index HI Hemagglutination Inhibition HI Hematologic improvement HI heterogeneous integration HI human interactome HIC head injury criteria HIC hydrogen induced cracking HIC hydrogen-induced cracking HIC hydrophobic interaction chromatography HID High Intensity Discharge HID Human Input Device HID Human Interface Device HID high intensity discharge HID high-intensity discharge HID human interface device HIE hypoxic ischemic encephalopathy HIES hyper-immunoglobulin Esyndrome HIF Hypoxia inducible factor HIF hypoxia-inducible factors HIFU High Intensity Focused Ultrasound HIL hole inject layer HIL hole injection layer HIL host interface layer HIM helium ion microscopy HIP Hot Isostatic Pressing HIP Hydrophobic ion-pairing HIP haptic interface point HIP hot isostatic pressing HIPE High internal phase emulsion HIS Hospital Information System HIS Humanized Immune System HISNP Highly Informative Single Nucleotide Polymorphism HISP Health Information Service Provider HIT heparin-induced thrombocytopenia HITL human-in-the-loop HIV Human Immunodeficiency Virus HIV Human Immunodeficiency viruses HIV Human immunodeficiency virus HIV human immunodeficiency viruses HIZO hafnium indium zinc oxide HJV Highland Jvirus HKMG high-kmetal gate HL HOME LEAKAGE HL Hodgkin lymphoma HL Hodgkin lymphomas HL Hodgkins lymphoma HL Human Likeness HLA Human Leukocyte Antigen HLA human leukocyte-antigens HLA human-leukocyte-antigen HLB Hydrophile-Lipophile Balance HLB hydrophilic-lipophilic balance HLG hybrid log-gamma HLL high-level language HLM Human Liver Microsomes HLMI High Load Melt Index HLO heating loop output HLOS high-level operating system HLPR Human License Plate Reviewers HLR Home Location Register HLR Home Location Register323 HLR Home location register HLS HTTP Live Streaming HLS High level Syntax HLS High-Level Synthesis HLSL High Level Shader Language HLSL High-Level Shader Language HLTA hierarchical latent tree analysis HM hard mask HM hard-mask HM high-methoxyl HMA hot mix asphalt HMAC hash message authentication code HMAC hashed message authentication code HMAT Heterogeneous Memory Attribute Table HMB Host Memory Buffer HMB high multi-bevel HMB horizontally moving bed HMC Hybrid Memory Cube HMC Hybrid memory cubic HMC hybrid memory cube HMD Head Mount Display HMD Head Mounted Device HMD Head Mounted Display HMD Head-Mounted Device HMD Head-Mounted-Display HMD Head-mounted display HMD head mounted device HMD head mounted display HMD head mounted displays HMD head-mount display HMD head-mounted display HMD head-mounted displays HMD head-mounted-device HME hot melt extrusion HMG high mobility group HMG high-mobility group HMGB high mobility group box HMHEC hydrophobically-modified hydroxy ethyl cellulose HMI High Matrix Introduction HMI Human Machine Interface HMI Human Machine Interfaces HMI Human-Machine Interface HMI Human-Machine Interfaces HMI Human-Machine-Interface HMI human machine interface HMI human-machine interface HMI human-machine interlace HMIS Hazardous Materials Identification System HMM Hidden Markov Model HMM Home Management Mode HMM hidden Markov Model HMM hidden Markov models HMO health maintenance organization HMS hard mask sustaining HMSE hard mask sustaining element HMSE hard-mask sustaining element HMVP historical motion vector prediction HMW High Molecular Weight HMW High-Molecular-Weight HMW high molecular weight HMW high-molecular weight HMWH high molecular weight heparins HMWK high-molecular weight kininogen HMWMAA high molecular weight-melanoma-associated antigen HN Home Network HNA Hexitol Nucleic Acid HNA hexitol nucleic acids HNB Home Node B HNBR hydrogenated nitrile butadiene rubber HNC Home Network Controller HNF4 Hepatocyte nuclear factor 4 HNF4A Hepatocyte nuclear factor 4, alpha HNF6 hepatocyte nuclear factor 6 HNI Home Network Identity HNPCC hereditary non polyposis colorectal cancer HNPCC hereditary non-polyposis colorectal cancer HNR hydrogenated natural rubber HNSTD Highest Non-Severely Toxic Dose HO Hand Over HO heterotopic ossification HOA HAND OFF AUTO HOA HAND-OFF-AUTO HOA Higher Order Ambisonic HOA Higher Order Ambisonics HOA hydrogenation of aromatics HOE holographic optical element HOE holographic optical elements HOG histogram of gradients HOM Hong-Ou-Mandel HOM higher order modulation HOMO Highest Occupied Molecular Orbital HOO hydrogenation of olefins HOPG highly oriented pyrolytic graphite HOR hydrogen oxidation reaction HOTB Hematology Oncology Tissue Bank HOV Hardware Offload Virtual HP Heat Pump HP High Performance HP High Pressure HP high performance HP high pressure HP high priority HP high-pressure HP hot plate HP hypersensitivity pneumonitis HPA Hexyl Phosphonic Acid HPA Human Protein Atlas HPA Hybridization Protection Assay HPA high performance addressing HPA high power amplifier HPA hypothalamic-pituitary-adrenal HPAEC human pulmonary artery endothelial cells HPAH heritable pulmonary arterial hypertension HPAL High Pressure Acid Leach HPAL high pressure acid leaching HPASMC human pulmonary artery smooth muscle cells HPB Host Performance Booster HPB host performance boost HPBW Half Power Beam Width HPC High Penetration Composition HPC High Performance Computing HPC High-Performance Computers HPC High-Performance Computing HPC hematopoietic progenitor cell HPC high pressure compressor HPC high-performance computer HPC high-performance computing HPC hybrid photonic crystal HPC hydroxy propyl cellulose HPC hydroxyl propyl cellulose HPCC High-Precision Congestion Control HPCM hybrid powertrain control module HPD Hot Plug Detect HPD highest posterior density HPD hot-plug-detect HPE Human-Posed Estimation HPED handheld portable electronic device HPED held portable electronic device HPF High Pass Filter HPF Human Pulmonary Fibroblast HPF high-pass filter HPF high-power field HPF human plasma fibronectin HPFP half-precision floating-point HPG hydroxyl protecting group HPH High Pressure Homogenization HPI High Performing Individuals HPI host port interface HPI hydrolyzed protein isolate HPK1 hematopoietic progenitor kinase 1 HPL High Pressure Laminate HPL human platelet lysate HPLC High Performance Liquid Chromatography HPLC High Pressure Liquid Chromatography HPLC High performance liquid chromatography HPLC High-Performance Liquid Chromatography HPLC High-pressure liquid chromatography HPLC high performance liquid chromatography HPLC high pressure liquid chromatography HPLC high-performance liquid chromatography HPLC high-pressure liquid chromatography HPLMN Home Public Land Mobile Network HPM High Performance Model HPM Human Proteome Map HPM hierarchical power management HPMC hydroxyl propyl methyl cellulose HPMCAS Hydroxyl Propyl Methyl Cellulose Acetate Succinate HPMCP Hydroxyl Propyl Methyl Cellulose Phthalate HPN human primary neurons HPP High Pressure Processing HPP high pressure pasteurisation HPPC hybrid pulse power characterization HPPS High Performance Particle Sizer HPRD Harmonic Pin Ring Drive HPS Hantavirus Pulmonary Syndrome HPS High-Pressure Sodium HPS high pressure sodium HPT high pressure turbine HPT high-pressure turbine HPU heat pump units HPU hyperdimensional processing unit HPUE High Power User Equipment HPV Human Papilloma Virus HPV Human Papilloma Viruses HPV human papilloma virus HPV human papilloma viruses HPV human papillomoa virus HPW hot pressure welding HQ high-quality HQYAE high quantum yield acridinium ester HR Hazard Ratio HR Head-Related HR High-resolution HR Homologous Recombination HR Human Resource HR Human Resources HR hazard ratios HR heart rate HR high resolution HR homologous recombination HR hormone receptor HR human resource HR human resources HR human/labor resources HRAM high-resolution accurate mass HRBM Hypothetical Receiver Buffer Model HRCA hyperbranched rolling circle amplification HRCAD high risk coronary artery disease HRD Hypothetical Reference Decoder HRE hypoxia response elements HRED Hierarchical Recurrent Encoder-Decoder HRI health related item HRI hydroprocessing reactor internals HRIR head related impulse response HRIR head-related impulse response HRL heat resistant layer HRM High Resolution Melting HRM heart rate measurement HRM holographic recording medium HRMA high-resolution melting analysis HRMS High Resolution Mass Spectrometry HRMS High Resolution Mass Spectroscopy HRMS High resolution mass spectra HRMS High-resolution mass spectra HRMS high resolution mass spectrometry HRP Horse Radish Peroxidase HRPD High Rate Packet Data HRPD high-rate packet data HRR homologous recombination repair HRS HOF receptor substrate HRS high resistance state HRSEM High-Resolution Scanning Electron Microscopy HRSEM high-resolution scanning electron microscope HRSTEM high-resolution scanning transmission electron microscopes HRT Heidelberg retinal tomography HRT Hydraulic Retention Time HRTEM High-Resolution Transmission Electron Microscopy HRTEM high resolution transmission electron microscopic HRTEM high resolution transmission electron microscopy HRTEM high-resolution transmission electron microscopy HRTF Head Related Transfer Function HRU Health Resource Utilization HRV Heart Rate Variability HRV Heart-Rate Variability HRV heart rate variability HRVOC highly reactive volatile organic compounds HS Harmonized System HS Hidradenitis Suppurativa HS High Speed HS Historical Simulation HS Hot Stage HS heparan sulfate HS heparin sepharose HS high-side HS high-speed HS human serum HSA Human Serum Albumin HSA halogen sequestering agent HSA health spending account HSA heat sensitive adhesive HSA human scrum albumin HSA human serum albumin HSB Hue, Saturation, Brightness HSBR hydrogenated styrene-butadiene rubber HSC Human String Content HSC hardware synchronization circuitry HSC hematopoietic stem cell HSC hematopoietic stem cells HSC hepatic stellate cells HSC human stem cells HSCRF Health Sciences Core Research Facilities HSCSD High-Speed Circuit-Switched Data HSCT Haematopoietic stem cell transplantation HSCT hematopoietic stem cell transplantation HSD Half-Source Driver HSD Honest Significant Differences HSDB high speed data bus HSDPA High Speed Data Packet Architecture HSDPA High Speed Downlink Packet Access HSDPA High-Speed Data Packet Access HSDPA High-Speed Downlink Packet Access HSDPA high speed downlink packet access HSDPA high-speed data packet access HSDPA high-speed downlink packet access HSG heart signal generator HSG hybrid starter generator HSI high speed interface HSI horizontal situation indicator HSI hyper-spectral imaging HSI hyper-spectral-imaging HSIA high speed internet access HSLA High Strength Low Alloy HSM Hardware Security Modules HSM hand set manufacturer HSM hardware secure module HSM hardware security module HSM hardware security modules HSM hierarchical storage management HSMM Human Skeletal Muscle Myoblasts HSMSO High Surfactant Methylated Seed Oil HSNDE High Speed Network Data Extractor HSP Hansen Solubility Parameters HSP Hansen solubility parameter HSP Hansen solubility parameters HSP Heat Shock Protein HSP Heat shock proteins HSP Henoch-Schonlein purpura HSP heat shock protein HSPA High Speed Packet Access HSPA High-Speed Packet Access HSPA high speed packet access HSPA high-speed packet access HSPC hydrogenated soy phosphatidyl choline HSQC heteronuclear single quantum coherence HSR Human Subjects Research HSR human simulated regimen HSRP Hot Standby Router Protocol HSS HTTP Smooth Streaming HSS Home Subscribe Server HSS Home Subscriber Server HSS Home Subscriber Service HSS Home Subscriber System HSS high speed sintering HSS high speed steel HSS high-speed sintering HSS home subscribe server HSS home subscriber service HSS hypothetical stream scheduler HSSI High-Speed Serial Interface HSTS HTTP Strict Transport Security HSUPA High Speed Uplink Packet Access HSUPA High-Speed UL Packet Access HSUPA High-Speed Uplink Packet Access HSV Herpes Simplex Virus HSV Herpes Simplex Viruses HSV Herpes simplex virus HSV hot spot visibility HSV hourly space velocity HSV hue, saturation, value HSV hue-saturation-value HSVTK Herpes Simplex Virus Thymidine Kinase HT High Tension HT High Throughput HT High-Throughput HT Hilbert transform HT hole transport HTC high temperature circuit HTF Human Tubal Fluid HTF heat transfer fluid HTH helix-turn-helix HTHP High Tower, High Power HTL hole transmission layer HTL hole transport layer HTL hole transporting layer HTLV human T-lymphotrophic virus HTM Hierarchical Temporal Memory HTM hole transport matrix HTMI high temperature melt index HTML Hyper Text Markup Language HTML Hyper-Text Markup Language HTR head twitch response HTRB High Temperature Reverse Bias HTRF Homogeneous Time-Resolved Fluorescence HTRF homogenous time-resolved fluorescence HTS Harmonized Tariff System HTS High-throughput screening HTS hardware thread scheduler HTS high throughput sequencing HTS high-throughput screen HTST High Temperature Short Time HTST High-Temperature Short-Time HTST high temperature short time HTTP Hyper Text Transfer Protocol HTTP Hyper Text Transport Protocol HTTPS Hyper Text Transfer Protocol Secure HU Hounsfield Unit HU Hounsfield Units HUD Head Up Display HUD Head-Up Display HUD Head-Up-Display HUD Heads-Up Display HUD head up display HUD head-up display HUD heads up display HUD heads-up display HUMO highest unoccupied molecular orbit HUNSR High utility negative sequential rule HUS Hemolytic Uremic Syndrome HUVEC Human Umbilical Vein Endothelial Cell HUVEC Human Umbilical Vein Endothelial Cells HV hard voxelization HV hash vectorization HV high vacuum HV high voltage HV high-voltage HV hybrid vehicle HV hybrid vehicles HVAC Heating Ventilation Air Conditioning HVAC Heating, Ventilating, Air Conditioning HVAC Heating, Ventilation, Air-conditioning HVAC heating, ventilation, air conditioning HVD Holographic Versatile Disk HVDC High Voltage Direct Current HVDC high-voltage, direct current HVE high voltage electrode HVL half value layer HVLD High Voltage Leak Detection HVLDMOS high-voltage laterally diffused metal oxide semiconductors HVLP high-volume, low-pressure HVLS High-volume low-speed HVLT Hopkins Verbal Learning Test HVM High Visibility Marker HVM High Volume Manufacturing HVM High-Volume Manufacturing HVOF high velocity oxy fuel HVP hydrolyzed vegetable proteins HVPE Hydride Vapor Phase Epitaxy HVS human visual system HWB hybrid wafer bonded HWCO hydrolyzed waste cooking oil HWD head wearable device HWD head wearable display HWD head worn device HWD head worn display HWE Horner Wadsworth Emmons HWHM half-width half-magnitude HWP half wave plate HWP half wave plate304 HWP helicon wave plasma HWPI Hydrolysed Whey Protein Isolate HYR Hanker-Yates reagent