u

• u(chiefly British) of or appropriate to the upper classes especially in language use
• U-boata submersible warship usually armed with torpedoes
• u-drivea rented car
• u-shapedshaped in the form of the letter U
• u-turncomplete reversal of direction of travel
• U. S. Air Forcethe airforce of the United States of America; the agency that defends the United States through control and exploitation of air and space
• U. S. Armythe army of the United States of America; the agency that organizes and trains soldiers for land warfare
• U. S. Army Special Forcesa division of the United States Army that is specially trained for guerilla fighting
• U. S. Coast Guardan agency of the Department of Transportation responsible for patrolling shores and facilitating nautical commerce
• U. S. Codea consolidation and codification by subject matter of the general and permanent laws of the United States; is prepared and published by a unit of the United States House of Representatives
• U.K.a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom
• U.S.the executive and legislative and judicial branches of the federal government of the United States
• U.S. Army Criminal Investigation Laboratorya defense laboratory of the Criminal Investigation Command; the United States Army's primary forensic laboratory in support of criminal intelligence
• U.S. Congressthe legislature of the United States government
• U.S. Constitutionthe constitution written at the Constitutional Convention in Philadelphia in 1787 and subsequently ratified by the original thirteen states
• U.S. governmentthe executive and legislative and judicial branches of the federal government of the United States
• U.S. Housethe lower legislative house of the United States Congress
• U.S. House of Representativesthe lower legislative house of the United States Congress
• U.S. Mintthe mint that manufactures and distributes United States coins for circulation through Federal Reserve Banks; processes gold and silver bullion
• U.S. National Library of Medicinethe world's largest medical library
• U.S. Senatethe upper house of the United States Congress
• U.S. watersterritorial waters included within a distance of 12 nautical miles of the coasts of the United States and its territories
• U.S.A.North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
• U308an impure mixture of uranium oxides obtained during the processing of uranium ore
• uakarimedium-sized tree-dwelling monkey of the Amazon basin; only New World monkey with a short tail
• Ubermenscha person with great powers and abilities
• uberousFruitful; copious; abundant; plentiful. [Obs.] Sir T. Herbert.
• ubertyFruitfulness; copiousness; abundance; plenty. [Obs.] Florio.
• ubicationThe quality or state of being in a place; local relation; position or location; whereness. [R.] Glanvill.
• ubietythe state of existing and being localized in space
• ubiquarianUbiquitous. [R.]
• ubiquinoneany of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration
• ubiquistOne of a school of Lutheran divines which held that the body of Christ is present everywhere, and especially in the eucharist, in virtue of his omnipresence. Called also Ubiquitist, Ubiquitary.
• ubiquitarianOne of a school of Lutheran divines which held that the body of Christ is present everywhere, and especially in the eucharist, in virtue of his omnipresence. Called also Ubiquitist, Ubiquitary.
• ubiquitarinessQuality or state of being ubiquitary, or ubiquitous. [R.] Fuller.
• ubiquitaryUbiquitous. Howell.
• ubiquitistSame as Ubiquist.
• ubiquitousbeing present everywhere at once
• ubiquitousnessthe state of being everywhere at once (or seeming to be everywhere at once)
• ubiquitythe state of being everywhere at once (or seeming to be everywhere at once)
• Ubykhan extinct Caucasian language spoken exclusively in Turkey
• Ucafiddler crabs
• ucheesA tribe of North American Indians belonging to the Creek confederation.
• uckewallistOne of a sect of rigid Anabaptists, which originated in 1637, and whose tenets were essentially the same as those of the Mennonists. In addition, however, they held that Judas and the murderers of Christ were saved. So called from the founder of the sect, Ucke Wallis, a native of Friesland. Eadie.
• UDAthe major Protestant paramilitary group in Northern Ireland; responsible for bombing the homes of Catholics and for criminal racketeering and selling drugs
• udalIn Shetland and Orkney, a freehold; property held by udal, or allodial, right. Allodial; -- a term used in Finland, Shetland, and Orkney. See Allodial. Burrill. Vars. of Odal, etc. Obs. exc. in Shetland and the Orkney Islands, where udal designates land held in fee simple without any charter and free of any feudal character.
• udalbornVars. of Odal, etc. Obs. exc. in Shetland and the Orkney Islands, where udal designates land held in fee simple without any charter and free of any feudal character.
• udalerVars. of Odal, etc. Obs. exc. in Shetland and the Orkney Islands, where udal designates land held in fee simple without any charter and free of any feudal character. In the Shetland and Orkney Islands, one who holds property by udal, or allodial, right. Sir W. Scott.
• udalmanVars. of Odal, etc. Obs. exc. in Shetland and the Orkney Islands, where udal designates land held in fee simple without any charter and free of any feudal character. In the Shetland and Orkney Islands, one who holds property by udal, or allodial, right. Sir W. Scott.
• uddermammary gland of bovids (cows and sheep and goats)
• udderedHaving an udder or udders.
• udderlessDestitute or deprived of an udder.
• Udmurtthe Finnic language spoken by the Votyak
• udometergauge consisting of an instrument to measure the quantity of precipitation
• Ufaa city in the European part of Russia
• UFOan (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins
• Ugandaa landlocked republic in eastern Africa; achieved independence from the United Kingdom in 1962
• Ugandanof or relating to or characteristic of Uganda or its people
• Ugandan monetary unitmonetary unit in Uganda
• Ugandan shillingthe basic unit of money in Uganda; equal to 100 cents
• Ugaritican extinct Semitic language of northern Syria
• ughAn exclamation expressive of disgust, horror, or recoil. Its utterance is usually accompanied by a shudder.
• uglesomeUgly. [Obs.] "Such an uglesome countenance." Latimer.
• uglilarge sweet juicy hybrid between tangerine and grapefruit having a thick wrinkled skin
• ugli fruitlarge sweet juicy hybrid between tangerine and grapefruit having a thick wrinkled skin
• uglifymake ugly
• uglilyIn an ugly manner; with deformity.
• uglinessqualities of appearance that do not give pleasure to the senses
• uglyprovoking horror
• ugly ducklingan ugly or unpromising child who grows into a beautiful or worthy person
• Ugo Buoncompagnithe pope who sponsored the introduction of the modern calendar (1572-1585)
• ugrianA Mongolian race, ancestors of the Finns. [Written also Uigrian.]
• Ugricone of the two branches of the Finno-Ugric family of languages; spoken in Hungary and northwestern Siberia
• ugsomeUgly; offensive; loathsome. [Obs.] -- Ug"some*ness, n. [Obs.] "The horror and ugsomeness of death." Latimer.
• UHF300 to 3000 megahertz
• uhlanOne of a certain description of militia among the Tartars.
• UhlandGerman romantic poet (1787-1862)
• Uighurthe script (derived from Aramaic) used to write the Uighur language
• Uigurthe script (derived from Aramaic) used to write the Uighur language
• uintatherea variety of dinocerate
• Uintatheriidaean extinct family of Dinocerata
• uintatheriumAn extinct genus of large Eocene ungulates allied to Dinoceras. This name is sometimes used for nearly all the known species of the group. See Dinoceras.
• uitlanderA foreigner; an outlander. [South Africa]
• UKa monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom
• ukasean edict of the Russian tsar
• ukea small guitar having four strings
• Ukrainea republic in southeastern Europe; formerly a European soviet; the center of the original Russian state which came into existence in the ninth century
• Ukrainianof or relating to or characteristic of Ukraine or its people or culture
• Ukraniana native or inhabitant of the Ukraine
• Ukranian monetary unitmonetary unit in Ukraine
• Ukrayinaa republic in southeastern Europe; formerly a European soviet; the center of the original Russian state which came into existence in the ninth century
• ukulelea small guitar having four strings
• Ulaanbaatarthe capital and largest city of Mongolia
• ulalgiapain in the gums
• ulamathe body of Mullahs (Muslim scholars trained in Islam and Islamic law) who are the interpreters of Islam's sciences and doctrines and laws and the chief guarantors of continuity in the spiritual and intellectual history of the Islamic community
• ulanSee Uhlan.
• Ulan Batorthe capital and largest city of Mongolia
• UlanovaRussian ballet dancer (1910-1998)
• ularburongA large East Indian nocturnal tree snake (Dipsas dendrophila). It is not venomous.
• ulatrophiarecession of the gums
• ulcera circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue
• ulcer dieta diet of foods that are not irritating
• ulcerableCapable of ulcerating.
• ulcerateaffect with an ulcer
• ulceratedhaving an ulcer or canker
• ulcerationthe process of ulcer formation; the process of becoming ulcerated
• ulcerativeof or relating to or characterized by ulceration
• ulcerative colitisa serious chronic inflammatory disease of the large intestine and rectum characterized by recurrent episodes of abdominal pain and fever and chills and profuse diarrhea
• ulceredUlcerous; ulcerated.
• ulceroushaving an ulcer or canker
• ulcuscleA little ulcer. [R.]
• ulcusculeA little ulcer. [R.]
• uleA Mexican and Central American tree (Castilloa elastica and C. Markhamiana) related to the breadfruit tree. Its milky juice contains caoutchouc. Called also ule tree.
• ulemathe body of Mullahs (Muslim scholars trained in Islam and Islamic law) who are the interpreters of Islam's sciences and doctrines and laws and the chief guarantors of continuity in the spiritual and intellectual history of the Islamic community
• ulemorrhagiableeding of the gums
• Ulexgenus of Eurasian spiny shrubs: gorse
• Ulex europaeusvery spiny and dense evergreen shrub with fragrant golden-yellow flowers; common throughout western Europe
• ulexiteA mineral occurring in white rounded crystalline masses. It is a hydrous borate of lime and soda.
• Ulfilaa Christian believed to be of Cappadocian descent who became bishop of the Visigoths in 341 and translated the Bible from Greek into Gothic; traditionally held to have invented the Gothic alphabet (311-382)
• Ulfilasa Christian believed to be of Cappadocian descent who became bishop of the Visigoths in 341 and translated the Bible from Greek into Gothic; traditionally held to have invented the Gothic alphabet (311-382)
• uliginoseMuddy; oozy; slimy; also, growing in muddy places. [R.] Woodward.
• uliginousMuddy; oozy; slimy; also, growing in muddy places. [R.] Woodward.
• ulitisinflammation of the gums
• Ull(Norse mythology) one of the Aesir known for his beauty and skill with bow and skis; son of Sif and stepson of Thor
• ullagethe amount that a container (as a wine bottle or tank) lacks of being full
• ulletA European owl (Syrnium aluco) of a tawny color; -- called also uluia.
• ullmanniteA brittle mineral of a steel-gray color and metallic luster, containing antimony, arsenic, sulphur, and nickel.
• Ullr(Norse mythology) one of the Aesir known for his beauty and skill with bow and skis; son of Sif and stepson of Thor
• ullucoSee Melluc.
• Ulmaceaea dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema
• ulmaceousOf or pertaining to a suborder of urticaceous plants, of which the elm is the type.
• ulmateA salt of ulmic acid.
• ulmicPertaining to ulmin; designating an acid obtained from ulmin.
• ulminA brown amorphous substance found in decaying vegetation. Cf. Humin. [Formerly written ulmine.]
• ulmusA genus of trees including the elm.
• Ulmus alataNorth American elm having twigs and young branches with prominent corky projections
• Ulmus americanalarge ornamental tree with graceful gradually spreading branches common in eastern North America
• Ulmus campestris sarniensisa variety of the English elm with erect branches and broader leaves
• Ulmus campestris wheatleyia variety of the English elm with erect branches and broader leaves
• Ulmus carpinifoliaEuropean elm with lustrous smooth leaves used as an ornamental
• Ulmus crassifoliaelm of southern United States and Mexico having spreading pendulous corky branches
• Ulmus glabraEurasian elm often planted as a shade tree
• Ulmus hollandicaany of various hybrid ornamental European shade trees ranging from dwarf to tall
• Ulmus hollandica vegetataerect vigorous hybrid ornamental elm tree
• Ulmus laevisEurasian elm closely resembling the American elm; thrives in a moist environment
• Ulmus parvifoliasmall fast-growing tree native to Asia; widely grown as shelterbelts and hedges
• Ulmus procerabroad spreading rough-leaved elm common throughout Europe and planted elsewhere
• Ulmus pumilafast-growing shrubby Asian tree naturalized in United States for shelter or ornament
• Ulmus rubraNorth American elm having rough leaves that are red when opening; yields a hard wood
• Ulmus sarniensisa variety of the English elm with erect branches and broader leaves
• Ulmus serotinaautumn-flowering elm of southeastern United States
• Ulmus thomasiitall widely distributed elm of eastern North America
• ulnathe inner and longer of the two bones of the human forearm
• ulnageMeasurement by the ell; alnage.
• ulnarrelating to or near the ulna
• ulnar arterylarge artery that branches from the brachial artery to supply the muscles of the forearm and wrist and hand
• ulnar nervea nerve running along the inner side of the arm and passing near the elbow; supplies intrinsic muscles of the hand and the skin of the medial side of the hand
• ulnar veinany of several veins of the forearm
• ulnareOne of the bones or cartilages of the carpus, which articulates with the ulna and corresponds to the cuneiform in man.
• ulodendronA genus of fossil trees.
• uloidResembling a scar; scarlike.
• ulonataA division of insects nearly equivalent to the true Orthoptera.
• ulotrichanOf or pertaining to the Ulotrichi. -- n. One of the Ulotrichi.
• ulotrichiThe division of mankind which embraces the races having woolly or crispy hair. Cf. Leiotrichi.
• ulotrichousHaving woolly or crispy hair; -- opposed to leiotrichous.
• Ulrich ZwingliSwiss theologian whose sermons began the Reformation in Switzerland (1484-1531)
• ulstera historic division of Ireland located in the northeastern part of the island; six of Ulster's nine counties are in Northern Ireland
• Ulster Defence Associationthe major Protestant paramilitary group in Northern Ireland; responsible for bombing the homes of Catholics and for criminal racketeering and selling drugs
• ultin or of the month preceding the present one
• ulteriorcoming at a subsequent time or stage
• ulterioritythe quality of being ulterior
• ulteriorlyin an ulterior manner
• ultimathe last syllable in a word
• ultima Thulethe geographical region believed by ancient geographers to be the northernmost land in the inhabited world
• ultimacythe state or degree of being ultimate; the final or most extreme in degree or size or time or distance, "the ultimacy of these social values"
• ultimatebeing the last or concluding element of a series
• ultimate frisbeea game between two teams whose players try to toss a Frisbee to one another until they cross the opponents goal; possession changes hands when the Frisbee is intercepted or touches the ground or goes out of bounds
• ultimatelyas the end result of a succession or process
• ultimatenessthe state or degree of being ultimate; the final or most extreme in degree or size or time or distance, "the ultimacy of these social values"
• ultimationState of being ultimate; that which is ultimate, or final; ultimatum. [R.] Swift.
• ultimatuma final peremptory demand
• ultimeUltimate; final. [Obs.] Bacon.
• ultimityThe last stage or consequence; finality. [Obs.] Bacon.
• ultimoin or of the month preceding the present one
• ultionThe act of taking vengeance; revenge. [Obs.] Sir T. Browne.
• ultra(used of opinions and actions) far beyond the norm
• ultra viresbeyond the legal power or authority of a person or official or body etc
• ultra-A prefix from the Latin ultra beyond (see Ulterior), having in composition the signification beyond, on the other side, chiefly when joined with words expressing relations of place; as, ultramarine, ultramontane, ultramundane, ultratropical, etc. In other relations it has the sense of excessively, exceedingly, beyond what is common, natural, right, or proper; as, ultraconservative; ultrademocratic, ultradespotic, ultraliberal, ultraradical, etc.
• Ultracefa cephalosporin antibiotic (trade name Ultracef)
• ultracentrifugationcentrifugation at very high speeds
• ultracentrifugea high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins
• ultraconservativeextremely conservative
• ultragaseousHaving the properties exhibited by gases under very low pressures (one millionth of an atmosphere or less). Matter under this condition, which has been termed the fourth state of matter, is sometimes called radiant matter.
• ultrageOutrage. [Obs.]
• ultrahigh frequency300 to 3000 megahertz
• ultraismThe principles of those who advocate extreme measures, as radical reform, and the like. Dr. H. More.
• ultraistOne who pushes a principle or measure to extremes; an extremist; a radical; an ultra.
• ultramarineof a brilliant pure blue to purplish blue color
• ultramarine blueblue pigment made of powdered lapis lazuli
• ultramicroscopelight microscope that uses scattered light to show particles too small to see with ordinary microscopes