U	UCI
U	Unit
U	Upper
U	Uracil
U	Uranium
U	unfolded
U	union
U	unit
U	units
U	unreliable
U	uplink
U	uracil
U	uracil/uridine
U	uridine
U	used
UA	Uric Acid
UA	User Agent
UA	ultrasonic attenuation
UA	unstable angina
UA	upper atmosphere
UA	urolithin A
UA	urolithins A
UA	ursolic acid
UAA	User-Authorization-Answer
UAC	Unified Access Control
UACR	Urinary-albumin creatinine ratio
UAD	user account data
UAD	user authentication devices
UAE	UAS application enabler
UAE	United Arab Emirates
UAI	Universal Armament Interface
UAI	uplink association index
UAM	Ultrasonic Additive Manufacturing
UAM	urban air mobility
UAM	utility asset management
UAMOR	User Authority Mask Override Register
UAN	Urea Ammonium Nitrate
UAN	urea-ammonium nitrate
UAO	Upper airway obstruction
UAP	UWB Acquisition Packet
UAR	User-Authorization-Request
UAR	upstream activation region
UARS	upper airway resistance syndrome
UART	Universal Asynchronous Receiver-Transmitter
UART	universal asynchronous receiver transmitter
UART	universal asynchronous receiver-transmitter
UART	universal asynchronous receiver-transmitters
UAS	USB attached SCSI
UAS	Unmanned Aerial System
UAS	Unmanned Aircraft System
UAS	Unmanned Aircraft Systems
UAS	unmanned aerial system
UAS	unmanned aerial systems
UAS	unmanned airborne system
UAS	unmanned aircraft system
UAS	user-authentication service
UAV	UNMANNED AERIAL VEHICLE
UAV	Unmanned Air Vehicles
UAV	Unmanned aerial vehicle
UAV	Unmanned aerial vehicles
UAV	unmanned aerial vehicle
UB	Union Bound
UB	Universal Beam
UB	upper bound
UB	urolithin B
UBA	unique binding agent
UBC	urinary bladder cancer
UBC	used beverage cans
UBDM	universal battery degradation model
UBE	Upper body Ergometer's
UBM	Under-Bump Metal
UBM	under bump metal
UBM	under bump metallization
UBM	under bump metallurgy
UBM	under-ball metallurgy
UBM	urinary bladder matrix
UBSI	Uplink Buffer Status Information
UBUC	urinary bladder urothelial carcinomas
UC	Ulcerative colitis
UC	Universal Control
UC	ulcerative colitis
UC	unified communication
UC	unit commitment
UC	up-converter
UC	upper component
UC	urolithin C
UC	urothelial carcinoma
UCA	Unique Chromosome Aneuploidy
UCB	umbilical cord blood
UCB	user configuration block
UCC	Uniform Commercial Code
UCC	utility control center
UCDAI	Ulcerative Colitis Disease Activity Index
UCE	Universal Control Engine
UCE	Unsupervised Content Extraction
UCEC	uterine corpus endrometroid carcinoma
UCF	Unified Client Facilities
UCI	UL Control Information
UCI	UPLINK CONTROL INFORMATION
UCI	uplink channel information
UCI	uplink control information
UCS	Uninterruptible Chemical Supply
UCSL	User-Configurable Subscription Lottery
UCTD	Undifferentiated connective tissue disease
UD	Universal Dependency
UD	urolithin D
UD	user device
UDF	unit dosage form
UDG	Uracil-DNA Glycolase
UDG	uracil DNA glycosylase
UDG	uracil-DNA glycosylase
UDK	unique derivation key
UDM	Unified Data Management
UDM	Unified Data Manager
UDM	Unified Database Management
UDM	Unified data management
UDM	Universal Data Management
UDM	User Data Management
UDM	unified data management
UDMA	Ultra-Direct Memory Access
UDO	Ultra-Density Optical
UDP	Uniform Datagram Protocol
UDP	Universal Datagram Protocol
UDP	User Data Protocol
UDP	User Datagram Protocol
UDP	user datagraph protocol
UDP	user diagram protocol
UDR	Unified Data Repository
UDR	Unified/User Data Repository
UDR	User Data Repository
UDR	unified data repository
UDR	user data repository
UDS	Unified Diagnostic Services
UDS	Unscheduled DNA Synthesis
UDS	unified diagnostic services
UDSF	Unstructured Data Storage Function
UE	User Equipment
UE	User Equipments
UE	User equipment
UE	urinary energy
UE	user endpoints
UE	user equipment
UE	user equipment/device
UE	user equipments
UECC	uncorrectable error correcting code
UECC	uncorrectable error correction code
UEFI	Unified Extensible Firmware Interface
UEFI	Universal Extensible Firmware Interface
UEGO	Universal Exhaust Gas Oxygen
UEM	user environment manager
UES	upper esophageal sphincter
UES	user equipment sniffer
UF	Urea-formaldehyde
UFA	unsaturated fatty acid
UFA	unsaturated fatty acids
UFC	United Fighting Championship
UFE	under-frequency event
UFL	upper flammability limit
UFMC	Universal-Filtered Multi-Carrier
UFMC	universal filtered multi carrier
UFMC	universal filtered multi-carrier
UFMC	universal fixed mobile convergence
UFRE	Union Free Regular Expression
UFS	Universal Flash Storage
UGC	User Generated Content
UGI	Uracil Glycosylase Inhibitor
UGS	Unsolicited grant service
UGS	unmanned ground system
UGT	UDP-Glucuronosyl Transferase
UGV	unmanned ground vehicle
UHB	ultra-high band
UHD	Ultra High Definition
UHD	ultra-high definition
UHD	ultra-high-definition
UHDA	Ultra-High Definition Alliance
UHF	Ultra High Frequency
UHF	Ultra-High Frequency
UHF	ultra high frequency
UHF	ultra-high-frequency
UHMW	Ultra High Molecular Weight
UHN	University Health Network
UHPLC	Ultra High Performance Liquid Chromatography
UHPLC	Ultra-High Performance Liquid Chromatography
UHR	Universal Human RNA
UHS	Ultra High Speed
UHSS	Ultra High Strength Steel
UHT	Ultra high temperature
UHT	ultra-high temperature
UHV	ultra-high vacuum
UHVCVD	Ultra-High Vacuum Chemical Vapor Deposition
UHVCVD	ultra high vacuum chemical vapor deposition
UHVCVD	ultra-high vacuum chemical vapor deposition
UI	Unconfirmed Information
UI	User Interface
UI	User Interfaces
UI	ultra inert
UI	unit interval
UI	user interface
UI	user-interface
UIBC	user input back channel
UIC	user interface component
UICC	Universal Integrated Circuit Card
UID	Underwater Intervention Drone
UID	User Interface Device
UIE	user interface element
UIM	User Identify Module
UIM	User Identity Module
UIM	user identity management
UIM	user identity module
UIP	Usual Interstitial Pneumonia
UIP	usual interstitial pneumonitis
UK	United Kingdom
UKF	unscented Kalman filter
UL	Underwriter's Laboratory
UL	Underwriters Laboratories
UL	Underwriters Labs
UL	Underwriters' Laboratories
UL	Up Link
UL	Upper Layer
UL	Upper Lip
UL	up-link
ULA	Ultra Low Attachment
ULA	uniform linear array
ULA	update location answer
ULD	Unit Load Device
ULK	ultra-low k
ULLC	Ultra-Low Latency Communications
ULP	ultra low power
ULPA	ultra low particulate air
ULPA	ultra-low particular air
ULR	update location request
ULSD	ultra-low sulfur diesel
ULSI	ultra large scale integration
ULUSV	ultra-large unmanned surface vehicles
UM	Unacknowledged Mode
UM	Unsharp Masking
UM	unacknowledged mode
UM	unified mode
UMA	Unlicensed Mobile Access
UMB	Ultra Mobile Broadband
UMB	ultra-mobile broadband
UMC	unified memory controller
UMD	Ultra Mobile Device
UMD	user mode driver
UMDF	user-mode driver framework
UMH	upstream multicast hop
UMI	Unique Molecular Identifier
UML	Unified Modeling Language
UMLS	Unified Medical Language System
UMPC	Ultra Mobile Personal Computer
UMPC	ultra mobile personal computers
UMPC	ultra-mobile personal computer
UMTS	Universal Mobile Telecommunication System
UMTS	Universal Mobile Telecommunications Service
UMTS	Universal Mobile Telecommunications Standard
UMTS	Universal Mobile Telecommunications System
UMTS	Universal Mobile Telecommunications Systems
UMTS	Universal Mobile Telephone System
UMTS	Universal mobile telecommunications system
UMTS	universal mobile telecommunication system
UMTS	universal mobile telecommunications service
UMTS	universal mobile telecommunications system
UMVE	ultimate motion vector expression
UN	United Nations
UNA	unlocked nucleic acid
UNA	unlocked nucleic acids
UNB	Ultra Narrow Band
UNI	user network interface
UP	User Plane
UP	unsaturated polyester
UP	upper page
UP	user plane
UP	user priorities
UP	user-plane
UPA	Universal Powerline Association
UPA	uniform planar array
UPC	Unified Parallel C
UPC	Universal Product Code
UPC	Universal Product Codes
UPC	universal product code
UPF	User Plane Function
UPF	user plane functions
UPH	units per hour
UPI	URLLC Preemption Indication
UPI	Ultra Path Interconnect
UPI	ultra-path interconnect
UPIU	UFS Protocol Information Unit
UPL	Universal Probe Library
UPLC	Ultra Performance Liquid Chromatography
UPLC	ultra performance liquid chromatograph
UPLC	ultra performance liquid chromatography
UPLC	ultra-performance liquid chromatography
UPP	unmanned production platform
UPR	Unfolded Protein Response
UPS	Ultraviolet Photoelectron Spectroscopy
UPS	Uninterruptible Power Supply
UPS	United Parcel Service
UPS	Universal Polar Stereographic
UPS	ubiquitin proteasome system
UPS	ultraviolet photoelectron spectroscopy
UPS	uninterrupted power supply
UPS	uninterruptible power source
UPS	uninterruptible power supply
UPSF	user profile server function
UPW	Ultra Pure Water
UPW	Ultra-Pure Water
UR	uniqueness-ratio
URA	uniform rectangular array
URB	unified return buffer
URI	Unified Resource Indicator
URI	Uniform Resource Identifier
URI	Uniform Resource Indicator
URI	uniform resource identifier
URI	universal resource identifier
URL	Uniform Resource Locator
URL	Universal Resource Locator
URL	uniform record locator
URL	uniform resource locater
URL	unique reference link
URL	universal resource location
URL	universal resource locator
URLLC	Ultra Reliability Low Latency Communication
URLLC	Ultra Reliable Low Latency Communication
URLLC	Ultra Reliable Low Latency Communications
URLLC	Ultra Reliable Low-Latency Communication
URLLC	Ultra-Reliable Low Latency Communication
URLLC	Ultra-Reliable Low Latency Communications
URLLC	Ultra-Reliable Low-Latency Communication
URLLC	Ultra-Reliable Low-Latency Communications
URLLC	Ultra-Reliable, Low Latency Communication
URLLC	Ultra-reliable low-latency Communication
URLLC	ultra-reliability low latency communication
URLLC	ultra-reliability low-latency communication
URLLC	ultra-reliable low latency communication
URLLC	ultra-reliable low latency communications
URLLC	ultra-reliable low latency connections
URLLC	ultra-reliable low-latency Communication
URLLC	ultra-reliable low-latency communications
URLLC	ultra-reliable low-latency-communication
URLLC	ultra-reliable-low latency communication
URN	Uniform Resource Name
URN	uniform resource names
URN	unique reference number
URR	usage report rule
URSK	UWB Ranging Secret Key
URSP	UE route selection policy
US	Ultra Sound
US	Unique Sequence
US	United States
US	ultra-sound
US	ultrasound scanning
US	unmanned system
USB	Universal Serial Bus
USB	universal serial busses
USB	universal series bus
USB	universal storage bus
USB	universal-serial-bus
USCG	United States Coast Guard
USD	user subscription database
USE	Universal Sentence Encoder
USEPA	United States Environmental Protection Agency
USF	ultrasound-switchable fluorescence
USG	undoped Silicate Glass
USGA	United States Golf Association
USGS	United States Geological Survey
USIM	Universal Subscriber Identity Module
USIM	universal subscriber identification module
USIP	Unselected String Initial Precharge
USN	unspecialized sensory neurons
USP	United States Pharmacopeia
USP	United States Pharmacopoeia
USP	United States pharmacopeia
USP	ubiquitin-specific protease
USP7	Ubiquitin-specific protease 7
USPS	United States Postal Service
USQ	unlimited size queue
USR	ultra short reach
USRDI	United States Recommended Daily Intake
USRP	Universal Software Radio Peripheral
USS	UAV Service Suppliers
USS	UE-specific space
USS	unique sequence segment
USSD	Unstructured Supplementary Service Data
USW	ultrasonic spot welding
UT	User Terminal
UT	ultrasonic testing
UT	user terminal
UTC	Universal Time Coordinated
UTC	universal time coordinate
UTC	universal time coordinates
UTDOA	Uplink Time Difference of Arrival
UTG	ultra-thin glass
UTI	Urinary Tract Infection
UTI	unified transform indicator
UTI	useful temperature interval
UTM	Universal Transport Media
UTM	Universal Transport Medium
UTM	Universal Transverse Mercator
UTM	Urchin Tracking Module
UTM	unbounded transactional memory
UTM	universal testing machine
UTM	unmanned traffic management
UTO	Ultra Traffic Optimization
UTRA	UMTS Terrestrial Radio Access
UTRA	Universal Terrestrial Radio Access
UTRAN	UMTS Terrestrial Radio Access Network
UTRAN	Universal Terrestrial Radio Access Network
UTS	ultimate tensile strength
UTS	ultra-thin sandwich
UTUC	urinary tract urothelial carcinomas
UTV	Utility Task Vehicle
UUO	Unilateral Ureteral Obstruction
UUO	unilateral ureteric obstruction
UUT	unit under test
UV	Ultra Violate
UV	Ultra Violet
UV	Ultra-Violet
UV	under-voltage
UV	unilamellar vesicles
UVC	USB video class
UVC	unique value coordinate
UVM	user verification module
UVP	Under-Voltage Protection
UVRT	Under Voltage Ride Through
UW	upset welding
UWB	Ultra Wide Band
UWB	Ultra Wide-Band
UWB	Ultra-Wide Band
UWB	ultra wide band
UWB	ultra-wide band
UWP	Universal Windows Platform
UWS	urea water solution
UYF	Ultra Yield Flask