Explore science words that start with u.
Science Words that Start With U
Here are 100 science words that start 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
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 That Start With U:
- Uniform motion
- Ultraviolet radiation
- Uranium
- Ultrasonic waves
- Universal gravitation
- Unbalanced force
Science Words Beginning with U with Meaning:
- Universe: All existing matter, space, time, and energy.
- Ultraviolet: Electromagnetic radiation with shorter wavelengths than visible light.
- Uplift: Geologic process of raising the Earth’s crust.
- Unicellular: Consisting of a single cell.
- Urea: Nitrogenous waste product excreted by animals.
- Uniformitarianism: Geological principle that present processes explain past geological events.
- Ultrasonography: Medical imaging technique using high-frequency sound waves.
- Urbanization: Process of population growth and development of cities.
- Uranium: Chemical element with the symbol U and atomic number 92.
- Upwelling: Movement of nutrient-rich water to the ocean’s surface.
- Universal gravitation: Law describing the attraction between masses.
- Unleaded: Referring to fuel without lead additives.
- Updraft: Vertical movement of air in the atmosphere.
- Utopia: Imagined perfect society or world.
- Ultrasonic: Sound waves with frequencies above human hearing.
- Unstable: Lacking stability or equilibrium.
- Uniform: Consistent or unchanging in form, quality, or character.
- Undulate: Move in a wavelike motion.
- Unconformity: Geological surface representing a gap in the rock record.
- Ultramicroscopic: Too small to be seen with a light microscope.
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