Word origins

• upupaA hoopoe.
• uraeusA representation of the sacred asp, symbolising supreme power in ancient Egypt.
• UrantianOf or relating to The Urantia Book, a spiritual and philosophical book of unknown authorship in the early 20th century.
• urceolateShaped like an urn.
• urceoleA vessel for water or washing the hands in Roman Catholicism.
• urceolusAny urn-shaped organ of a plant.
• urceusA ewer for holding water for washing.
• uredineousRelating to the uredo.
• uredinousRelating to the uredo.
• uredourediniospore
• -uret-ide.
• -uriaurine; urination; presence in urine (of a substance denoted by a prefixed combining form); state or condition of the urine.
• urinantOf a fish: oriented vertically, with the head to base and tail to chief, as if diving.
• urinariumA pit used for storing urine, which may be later used to make manure.
• urinatorA person who urinates.
• urinousPertaining to urine.
• urocanicOf or pertaining to urocanic acid or its derivatives
• urocanic acidAn intermediate in the catabolism of L-histidine, transformed in the liver by urocanate hydratase (or urocanase) into 4-imidazolone-5-propionic acid and subsequently to glutamic acid.
• urodeleAny caudate amphibian.
• uroglaucinA substance, apparently the same as indigo, occasionally found in the urine in degeneration of the kidneys. It is readily formed by oxidation or decomposition of indican.
• Ursa MajorA large circumpolar constellation of the northern sky, said to resemble a bear. It includes the familiar asterism the Big Dipper and the stars Mizar, Dubhe, and Alkaid.
• Ursa MinorA circumpolar constellation of the northern sky, said to resemble a bear. It includes the familiar asterism of the Little Dipper and, as part of it, the northern pole star Polaris, as well as Kochab.
• ursidAny species of the family Ursidae; a bear, a giant panda, or any of certain extinct relatives.
• ursiformShaped like a bear.
• urticateTo have or produce a stinging sensation, as of nettles or urticating hair.
• urticationThe development of urticaria (hives).
• usitativeDenoting usual or customary action.
• usticIntermediate between aridic and udic.
• ustionThe act of burning, or the state of being burned.
• ustrinumThe site of a funeral pyre.
• ustulateBlackened as if burned.
• ustulationAn act of burning, especially roasting.
• usucapionThe acquisition of right or title to an object by means of the passage of time. The common law analogue is adverse possession.
• usucaptionThe acquisition of right or title to an object or property by means of the simple passage of time.
• usuraryUsurious.
• usurpantUsurping; encroaching.
• usurpatrixA female usurper.
• utero-Uterus; uterine.
• utinamA fervent wish.
• utraquismThe moderate Hussite ideology that the faithful, specifically including laity, should receive Communion under both kinds (sub utraque specie), that is to say, receive both bread and wine during the Eucharist; moderate Hussitism.
• utriculoidResembling a bladder .
• utriformShaped like a bag or leather bottle.
• utrubiIn Ancient Roman law, a kind of interdict relating to disputes of possession over movable property.
• uva ursiThe bearberry.
• uvic acidRacemic acid, a particular stereoisomer of tartaric acid.
• uvularOf or relating to the uvula.
• uxorialOf or pertaining to a wife, or her genes or relatives.
• uxoriousVery devoted and possibly submissive to one's wife; showing excessive uxorial devotion.
• uxorophobiaAn inordinate fear of one's own wife, or of wives.
• v.See. vide(te)
• vacatIndicates a willingly empty portion of an inscription.
• vacci-cow
• vacciolousPertaining to the cowpox virus.
• vacillantThat vacillates; wavering; fluctuating; not constant
• vacivityEmptiness; vacancy.
• vacuitousLacking substance; trivial; meaningless.
• vade mecumA referential book such as a handbook or manual, especially one that is pocketable.
• vadimoniumIn Ancient Rome, a court settlement; a promise secured by bail.
• vadimonyA bond or pledge for appearance before a judge on a certain day.
• vafrousCrafty; cunning; sly.
• vagancyA wandering; vagrancy.
• vagaristOne whose thought wanders in many directions.
• vagientCrying like a child.
• vagina dentataThe mythical toothed vagina; often related to castration anxiety.
• vagino-Vagina.
• vaginulaA little sheath, such as that about the base of the pedicel of most mosses.
• vagitateTo wander or move at random.
• vagitusThe crying of a newborn baby.
• vagousWandering; unsettled.
• valedictTo farewell; to make a valediction or parting gesture.
• vale of tearsThe world, a place where difficulties and the sorrows of life are felt, especially (Christianity) as a place to be left behind when one dies and goes to heaven.
• valeologyThe science of healthy living.
• valetudeA state of health; especially that of good health.
• valetudinarianSickly, infirm, of ailing health; related to ill health.
• valetudinariousSickly, infirm, valetudinarian.
• valetudinarySickly, infirm, valetudinarian.
• valetudinousvaletudinarian; ill, sick
• vallarOf or relating to a rampart.
• vallationA rampart or entrenchment.
• vallecularGrooved; pertaining to a vallecula.
• Valles Marinerisa large system of canyons on the surface of Mars; contains channels possibly caused by the flow of water
• vallumA rampart; a wall, as in a fortification.
• valvaA paired copulatory organ of males in some species of insects that helps the male clasp the female.
• valvulaA small valve.
• valvuleA small valve.
• vaniloquenceIdle or vain talk.
• vaniloquentTalking in a vain or foolish way
• vaniloquyIdle or vain talk.
• VanleyA surname.
• vaporariumA steam bath.
• vapulateTo flog or whip; to beat or strike.
• vapulationThe act of beating or whipping.
• vari-various; variety.
• varicographyAn imaging technique for the visualization of varicose veins.
• varicosityAn enlarged vessel or nerve, particularly a blood vessel.
• variola ovinasheeppox
• varioliteA rock containing centimeter-scale spherical or globular structures (varioles) in a fine-grained matrix.
• variolousOf or pertaining to smallpox.
• variometerAn instrument used to measure variations in a magnetic field.
• varriatedCut in the form of vair; battlemented with solid projections and crenelles, both pointed, but in the latter case reversed.