Uncover the universal and the unique in our science vocabulary voyage, beginning with the letter U! ‘Ultraviolet’ waves, ‘universe’ mysteries—U words are undeniably intriguing.
We’ve unfolded a list that will upgrade your understanding of these terms, explained in uncomplicated language, perfect for everyone’s comprehension.
Science Words That Start With U
Here is the list of common science words with U;
- Ultraviolet
- Universe
- Uranium
- Unicellular
- Ultrasonography
- Urea
- Unstable
- Uniform
- Uric acid
- Urine
- Ultrafiltration
- Uterus
- Unconscious
- Ultrasonic
- Unit
- Ulna
- Ultrafast
- Ultracentrifuge
- Urethra
- Uplift
- Uptake
- Ultraviolet radiation
- Ultrasound
- Urology
- Universal
- Uranus
- Uracil
- Ulnar
- Unicellular organism
- Unidirectional
- Unpaired
- Uricosuric
- Ultramicroscope
- Uropod
- Urobilinogen
- Ureter
- Utricle
- Ultrasonic wave
- Unipotent
- Urease
- Urinary bladder
- Urticaria
- Ultrastructure
- Uracil-DNA glycosylase
- Ubiquitin
- Ultrashort
- Ultrahigh
- Unpaired electron
- Uremia
- Unsaturation
- Uterine
- Urokinase
- Ulnar deviation
- Uncompetitive inhibition
- Urinary system
- Umbilical cord
- Upwelling
- Ultraviolet-visible spectroscopy
- Uraninite
- Ureotelism
- Uropoiesis
- Uncertainty
- Urethral opening
- Urologist
- Ulexite
- Ultrasonics
- Unmyelinated
- Universal indicator
- Univalent
- Uroporphyrinogen
- Underwater
- Urate
- Urushiol
- Undercooling
- Uncoupler
- Uricotelism
- Urobilin
- Ultrafiltrate
- Uveitis
- Uropygial gland
- Ultrafast laser
- Ultradian rhythm
- Urinalysis
- Urticating hair
- Urothelium
- Ultrafine particle
- Uranium-238
- Uroporphyrin
- Uriniferous tubule
- Uracil DNA glycosylase
- Ulnar nerve
- Ultraviolet A (UVA)
- Unifacial
- Ultrasensitive
- Uridine
- Ultrathin
Related: Science Words A to Z
Explore More Science Words:
A – B – C – D – E – F – G – H – I – J – K – L – M – N – O – P – Q – R – S – T – U – V – W – X – Y – Z
Science Words That Start With U (By Grade)
Science Words That Start With U (4th Grade):
- Universe
- Ultraviolet
- Ursa Major
- Umbrella
- Urine
- Uranus
- Up
- Uranium
- Ulna
- Uppercut
- Unbalanced
- Unit
- Uproot
- Updraft
- Ultrasonic
- Ultramicroscopic
- Unicellular
- Udder
- Unleash
- Uniform
Science Words That Start With U (5th Grade):
- Universe
- Ultraviolet light
- Ursa Major (constellation)
- Ultrasonic waves
- Uranus (planet)
- Upthrust
- Ulnar bone
- Upwelling
- Unicellular organism
- Ultramicroscopic particles
- Unbalanced forces
- Uranium (element)
- Unicellular organisms
- Ultrasonography
- Upright posture
- Unidirectional flow
- Uniform motion
- Uvula (part of the throat)
- Unraveling
- Upliftment
Science Words That Start With U (6th Grade):
- Ultraviolet radiation
- Universal gravitation
- Unstable equilibrium
- Urinary system
- Uplifted mountain
- Unconformity
- Uterus
- Unimolecular reaction
- Uncontrolled experiment
- Uniformitarianism
- Ulnar nerve
- Uraninite
- Unicellular life
- Urban ecology
- Uveal tract
- Urokinase
- Ultrahigh vacuum
- Ultracentrifuge
- Ureter
- Ultrafiltration
Science Words That Start With U (7th Grade):
- Ultrasonography
- Ultraviolet spectroscopy
- Universal indicator
- Unconventional energy
- Uterine fibroids
- Uremia
- Unconventional medicine
- Urologic disorders
- Ultrahigh-performance liquid chromatography (UHPLC)
- Unipotent cells
- Ultraviolet-visible spectroscopy
- Urticaria
- Urban heat island
- Uranium enrichment
- Uniformitarian principle
- Uncompetitive inhibition
- Universal gas constant
- Urine analysis
- Unmyelinated axon
- Uterine prolapse
Science Words That Start With U (8th Grade):
- Ultrasonically assisted machining
- Uniaxial stress
- Ubiquitin-proteasome system
- Unimolecular reaction dynamics
- Uranium enrichment process
- Ultraviolet photoelectron spectroscopy
- Ultrahigh-density magnetic storage
- Unipolar depression
- Ultrafast laser spectroscopy
- Unconventional superconductivity
- Urban hydrology
- Urogenital system
- Unconventional oil and gas resources
- Ultrasonic welding
- Uniformitarian geology
- Uric acid metabolism
- Universal expansion
- Uveal melanoma
- Ultra-wideband communication
- Unsymmetrical bending
Science Words Starting With U (By Subject)
Physics Words That Start With U:
- Universe
- Ultraviolet
- Uniform
- Unit
- Uplift
- Ultrasonics
- Uplift force
- Upthrust
- Underdamped
- Unpolarized
- Unified field theory
- Uniform circular motion
- Unit vector
- Ultrasonic wave
- Ultraviolet radiation
- Unbalanced force
- Up quark
- Unified atomic mass unit
- Unstable equilibrium
- Underwater acoustics
Chemistry Words That Start With U:
- Uranium
- Unsaturated
- Urea
- Uptake
- Urease
- Ubiquitous
- Unsaturated hydrocarbon
- Unit cell
- Uracil
- Uronic acid
- Uptake rate
- Urochrome
- Uptitration
- Uronic acid pathway
- Ureotelic
- Univalent
- Uranyl
- Urushiol
- Uropygial gland
- Ubiquitin
Biology Words That Start With U:
- Urea
- Urine
- Uterus
- Ulna
- Uvula
- Ubiquitin
- Uterine tube
- Uptake
- Uracil
- Uric acid
- Urethra
- Urinary system
- Ultrasonography
- Uropod
- Urogenital
- Urokinase
- Unicellular
- Uvulopalatopharyngoplasty
- Uropoiesis
- Ureotelism
Math Words That Start With U:
- Undefined
- Union
- Unit
- Uniform
- Unimodal
- Unary
- Unique
- Unbounded
- Unit fraction
- Univariate
- Universal set
- Upper bound
- Unimodal distribution
- Unitary matrix
- U-spline
- Unimodal function
- Unit circle
- Unique solution
- Uniform distribution
- Union set
Physical Science Words With U:
- Ultraviolet
- Umbra
- Uniform Acceleration
- Universal Gas Constant
- Unpaired Electron
- Unstable Equilibrium
- Updraft
- Upthrust
- Uranium-235
- Uranium-238
- Urea
- Urethane
- Uric Acid
- Urine Analysis
- Utilitarianism in Science
Scientific Words With U:
- Ulna
- Ultimate Tensile Strength
- Ultracentrifugation
- Ultrafiltration
- Ultrahigh Frequency
- Ultramicroscopy
- Ultrasonic
- Ultrasound Imaging
- Unconditioned Stimulus
- Undercooling
- Underexposure
- Undernutrition
- Undersaturation
- Understanding Science
- Undisturbed Sample
- Uniaxial Crystal
- Uniform Resource Locator (URL)
- Unilateral
- Unimolecular
- Uniqueness in Science
- Unit of Measure
- Universal Precautions
- Universe
- Unscientific Methods
- Uptake
Forensic Words with U:
- UV Light Examination
- Undertaker
- Undisclosed Evidence
- Unidentified Prints
- Uniform Evidence Law
- Unisexual
- Universal Antidote
- Unknown Substance
- Unlawful Entry
- Unmarked Grave
- Use of Force
- User Interface in Forensics Software
- Utilized Report
- Underwater Forensics
Science Words with U and Their Meanings:
- Ultraviolet: Beyond the violet end of the visible light spectrum.
- Universe: All existing matter and space as a whole.
- Uranium: Radioactive metallic element used as a fuel.
- Uniformity: Consistency in form or arrangement.
- Umbra: Darkest part of a shadow during an eclipse.
- Ungulate: Hoofed mammals, like horses or cattle.
- Upwelling: Rising of seawater, magma, or other liquids.
- Umbilical: Relating to or resembling a navel.
- Urology: Study of the urinary system.
- Utilitarian: Designed for practical use rather than beauty.
- Utopia: Ideal place or state.
- Ubiquitous: Present or found everywhere.
- Unilateral: Relating to one side.
- Ulna: Bone in the forearm.
- Understory: Layer of vegetation beneath the forest canopy.
- Undulate: Move with a smooth, wavelike motion.
- Umbra: Fully shaded inner region of a shadow.
- Uptake: Absorption or taking in.
- Uvea: Middle layer of the eye.
- Urea: A chemical compound found in urine.
- Uniformitarianism: Theory that changes in the earth’s crust.
- Unipolar: Having one pole or extremity.
- Ultrasonic: Sound waves with frequencies above the audible range.
- Ulcer: Open sore on an external or internal surface.
- Ulnar: Pertaining to the ulna.
- Umbilicus: Navel or belly button.
- Uranus: Seventh planet from the sun.
- Unitary: Forming a single or uniform entity.
- Unicellular: Consisting of a single cell.
- Uxorious: Having or showing a great or excessive fondness for one’s wife.
