In this article, you will discover a comprehensive list of science-related words starting with the letter “U.
- Ultraviolet- Electromagnetic radiation with a wavelength shorter than that of visible light.
- Ultrasound- Sound waves with frequencies higher than the audible limit for humans.
- Uranium- A heavy, radioactive metallic element used as fuel in nuclear reactors.
- Ubiquitin- A small protein that regulates protein degradation in cells.
- Ultracentrifuge- A high-speed centrifuge used to separate particles based on density.
- Uncertainty- The estimated amount by which a measured or calculated value may deviate.
- Upwelling- The rising of seawater, magma, or other liquid.
- Urea- A waste product formed in the liver, filtered from the blood by the kidneys.
- Urography- Radiographic examination of the urinary tract.
- Umbra- The fully shaded inner region of a shadow cast by an opaque object.
- Ultrafine- Extremely small particles on a nanometer scale.
- Ultrasonic- Sound frequencies above 20,000 hertz, beyond human hearing.
- Ultranationalism- Extreme devotion to one’s nation.
- Ultrastructure- Fine details of a cell structure observable by electron microscopy.
- Unicellular- Organisms consisting of a single cell.
- Uniformitarianism- The principle that geological processes occurring now are the same as those in the past.
- Universalism- The belief that some ideas or concepts have universal application.
- Urinalysis- A test of urine for diagnostic purposes.
- Ultrafast- Occurring at extremely fast timescales, often in femtoseconds or picoseconds.
- Uropod- A part of the tail appendage in some crustaceans.
- Uropathy- Any disease or disorder of the urinary system.
- Ureter- The duct by which urine passes from the kidney to the bladder.
- Uterus- The organ in a female mammal where offspring are conceived and gestate.
- Ultramafic- Igneous rocks containing magnesium and iron.
- Unimolecular- Consisting of or involving a single molecule.
- Unidirectional- Operating or moving in a single direction.
- Ultranational- Relating to extreme devotion to one’s nation.
- Uterton- Seismic wave propagating in the Earth’s crust.
- Ubiquitous- Found everywhere, especially at the cellular level.
- Uranography- The branch of astronomy dealing with the mapping of stars and planets.
- Urinalysis- The analysis of urine samples for medical diagnosis.
- Unipotent- Cells capable of developing into only one cell type.
- Urokinase- An enzyme that promotes the breakdown of blood clots.
- Umbonate- Having a knob-like structure, especially in biology.
- Urticaria- The medical term for hives or nettle-rash.
- Ulceration- The formation of an ulcer.
- Ultrastable- Extremely resistant to change or decomposition.
- Undulator- A device that produces a periodic magnetic field to make synchrotron radiation.
- Urea cycle- The series of biochemical reactions in the body that produces urea.
- Ultrafiltration- A filtration process using fine membranes.
- Urinoscopy- Examination of urine for diagnostic purposes.
- Uranide- Elements analogous to uranium in their chemical behavior.
- Uniaxial- Having a single axis of symmetry.
- Underwater- Located, found, or occurring beneath the surface of the water.
- Ultraprecision- Involving extremely high precision and accuracy.
- Uranology- The study of the heavens and celestial bodies.
- Urodynamic- The study of the functional processes of the urinary tract.
- Uranotherapy- Medical treatment using uranium compounds.
- Urethritis- Inflammation of the urethra.
- Ultraheat- To heat something to an extremely high temperature.
- Ultramicroscopy- Methods to view objects smaller than the wavelength of visible light.
- Uranometry- The measurement of the positions and characteristics of celestial bodies.
- Univalent- Having a valence of one.
- Ultraphosphate- Highly phosphated compound or substance.
- Uroflowmetry- A test measuring the flow rate of urine.
- Universal- Applicable everywhere or in all cases.
- Urobilin- A bile pigment excreted in urine.
- Ultracytochemical- Relating to the chemical study of cells at high magnification.
- Urinalization- The formation or conversion into urine.
- Upconversion- A process converting lower frequency photons to higher frequency photons.
- Urticant- Substance causing itching or blistering.
- Ureotelic- Organisms that excrete excess nitrogen as urea.
- Ultrapedestrian- Extremely lightweight and designed for mobility.
- Uracil- A nitrogenous base found in RNA.
- Unilamellar- Composed of a single layer, commonly in a molecular context.
- Ultrastructural- Pertaining to the fine structure of a biological specimen.
- Urinometer- Device used to measure the specific gravity of urine.
- Ultranationalistic- Excessively nationalistic or patriotic.
- Ultratough- Extremely strong and durable under stress or pressure.
- Uroplakin- A protein associated with the urothelial surface.
- Uniparous- Producing a single offspring at a time.
- Ultraquiet- Exceptionally silent, often referring to equipment or environments.
- Ureteroscopy- A procedure for examining the upper urinary tract.
- Ultradense- Extremely dense or compact in structure.
- Upquark- A type of elementary particle in the quark family.
- Uniform- Consistent and unchanging nature.
- Ultraexpensive- Exceptionally expensive.
- Uridine- A nucleoside component of RNA.
- Unpalatable- Not pleasant to taste.
- Ultraperipheral- Existing at the extreme outer boundary or limit.
- Uptake- The absorption or intake of substances.
- Uranogeology- The study of the geological aspects of uranium.
- Urolithiasis- The formation of stones in the urinary system.
- Ultrafast laser- A laser that emits extremely short pulses, typically in the femtosecond to picosecond range.
- Urgent- Requiring immediate action or attention.
- Ultramicrotome- A device used to cut extremely thin slices of material for microscopy.
- Ultrasonication- The process of using ultrasound to agitate particles or substances.
- Unicuspate- Having a single cusp or point.
- Ursids- A family of mammals including bears.
- Unpolarized- Not having a fixed direction of oscillation.
- Ultraleft- Of or pertaining to radical left-wing politics.
- Ultrathin- Extremely thin, often on a nanometer scale.
- Uropoiesis- The production and excretion of urine.
- Uvulitis- Inflammation of the uvula.
- Urodelan- Of or relating to the order Urodela, comprising newts and salamanders.
- Ultrabaric- Pertaining to very high pressure.
- Upwarp- A type of geological uplift.