Uranyl (n.) The radical UO2, conveniently regarded as a residue of many uranium compounds.
Urao (n.) See Trona.
Urare (n.) Alt. of Urari
Urari (n.) See Curare.
Urate (n.) A salt of uric acid; as, sodium urate; ammonium urate.
Uratic () Of or containing urates; as, uratic calculi.
Urban (a.) Of or belonging to a city or town; as, an urban population.
Urban (a.) Belonging to, or suiting, those living in a city; cultivated; polite; urbane; as, urban manners.
Urbane (a.) Courteous in manners; polite; refined; elegant.
Urbaniste (n.) A large and delicious pear or Flemish origin.
Urbanity (n.) The quality or state of being urbane; civility or courtesy of manners; politeness; refinement.
Urbanity (n.) Polite wit; facetiousness.
Urbanize (v. t.) To render urban, or urbane; to refine; to polish.
Urbicolae (n. pl.) An extensive family of butterflies, including those known as skippers (Hesperiadae).
Urbicolous (a.) Of or pertaining to a city; urban.
Urceolar (a.) Urceolate.
Urcelate (a.) Shaped like a pitcher or urn; swelling below, and contrasted at the orifice, as a calyx or corolla.
Urceole (n.) A vessel for water for washing the hands; also, one to hold wine or water.
Urceoli (pl. ) of Urceolus
Urceolus (n.) Any urn-shaped organ of a plant.
Urchin (n.) A hedgehog.
Urchin (n.) A sea urchin. See Sea urchin.
Urchin (n.) A mischievous elf supposed sometimes to take the form a hedgehog.
Urchin (n.) A pert or roguish child; -- now commonly used only of a boy.
Urchin (n.) One of a pair in a series of small card cylinders, arranged around a carding drum; -- so called from its fancied resemblance to the hedgehog.
Urchin (a.) Rough; pricking; piercing.
Urchon (n.) The urchin, or hedgehog.
Urdu (n.) The language more generally called Hindustanee.
Ure (n.) Use; practice; exercise.
Ure (v. t.) To use; to exercise; to inure; to accustom by practice.
Urea (a.) A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals. It is also present in small quantity in blood, serous fluids, lymph, the liver, etc.
Ureal (a.) Of or pertaining to urea; containing, or consisting of, urea; as, ureal deposits.
Ureameter (n.) An apparatus for the determination of the amount of urea in urine, in which the nitrogen evolved by the action of certain reagents, on a given volume of urine, is collected and measured, and the urea calculated accordingly.
Urechitin (n.) A glucoside extracted from the leaves of a certain plant (Urechitis suberecta) as a bitter white crystalline substance.
Urechitoxin (n.) A poisonous glucoside found accompanying urechitin, and extracted as a bitter white crystalline substance.
Uredo (n.) One of the stages in the life history of certain rusts (Uredinales), regarded at one time as a distinct genus. It is a summer stage preceding the teleutospore, or winter stage. See Uredinales, in the Supplement.
Uredo (n.) Nettle rash. See Urticaria.
Uredospore (n.) The thin-walled summer spore which is produced during the so-called Uredo stage of certain rusts. See (in the Supplement) Uredinales, Heter/cious, etc.
Ureide (n.) Any one of the many complex derivatives of urea; thus, hydantoin, and, in an extended dense, guanidine, caffeine, et., are ureides.
-uret () A suffix with the same meaning as -ide. See -ide.
Ureter (n.) The duct which conveys the urine from the kidney to the bladder or cloaca. There are two ureters, one for each kidney.
Ureteritis (n.) Inflammation of the ureter.
Urethane (n.) A white crystalline substance, NH2.CO.OC2H5, produced by the action of ammonia on ethyl carbonate. It is used somewhat in medicine as a hypnotic. By extension, any one of the series of related substances of which urethane proper is the type.
Urethra (n.) The canal by which the urine is conducted from the bladder and discharged.
Urethral (a.) Of or pertaining to the urethra.
Urethritis (n.) Inflammation of the urethra.
Urethroplasty (n.) An operation for the repair of an injury or a defect in the walls of the urethra.
Urethroscope (n.) An instrument for viewing the interior of the urethra.
Urethroscopy (n.) Examination of the urethra by means of the urethroscope.
Urethrotome (n.) An instrument for cutting a urethral stricture.
Urethrotomy (n.) An incision of the urethra, esp. incision for relief of urethral stricture.
Uretic (a.) Of or pertaining to the urine; diuretic; urinary; as, uretic medicine.
Urged (imp. & p. p.) of Urge
Urging (p. pr. & vb. n.) of Urge
Urge (v. t.) To press; to push; to drive; to impel; to force onward.
Urge (v. t.) To press the mind or will of; to ply with motives, arguments, persuasion, or importunity.
Urge (v. t.) To provoke; to exasperate.
Urge (v. t.) To press hard upon; to follow closely
Urge (v. t.) To present in an urgent manner; to press upon attention; to insist upon; as, to urge an argument; to urge the necessity of a case.
Urge (v. t.) To treat with forcible means; to take severe or violent measures with; as, to urge an ore with intense heat.
Urge (v. i.) To press onward or forward.
Urge (v. i.) To be pressing in argument; to insist; to persist.
Urgence (n.) Urgency.
Urgency (n.) The quality or condition of being urgent; insistence; pressure; as, the urgency of a demand or an occasion.
Urgent (a.) Urging; pressing; besetting; plying, with importunity; calling for immediate attention; instantly important.
Urgently (adv.) In an urgent manner.
Urger (n.) One who urges.
Uric (a.) Of or pertaining to urine; obtained from urine; as, uric acid.
Urim (n.) A part or decoration of the breastplate of the high priest among the ancient Jews, by which Jehovah revealed his will on certain occasions. Its nature has been the subject of conflicting conjectures.
Urinal (n.) A vessel for holding urine; especially, a bottle or tube for holding urine for inspection.
Urinal (n.) A place or convenience for urinating purposes.
Urinarium (n.) A reservoir for urine, etc., for manure.
Urinary (a.) Of or pertaining to the urine; as, the urinary bladder; urinary excretions.
Urinary (a.) Resembling, or being of the nature of, urine.
Urinary (n.) A urinarium; also, a urinal.
Urinate (v. i.) To discharge urine; to make water.
Urination (n.) The act or process of voiding urine; micturition.
Urinative (a.) Provoking the flow of urine; uretic; diuretic.
Urinator (n.) One who dives under water in search of something, as for pearls; a diver.
Urine (n.) In mammals, a fluid excretion from the kidneys; in birds and reptiles, a solid or semisolid excretion.
Urine (v. i.) To urinate.
Uriniferous (a.) Bearing or conveying urine; as, uriniferous tubules.
Uriniparous (a.) Producing or preparing urine; as, the uriniparous tubes in the cortical portion of the kidney.
Urinogenital (a.) Pertaining to the urinary and genital organs; genitourinary; urogenital; as, the urinogenital canal.
Urinometer (n.) A small hydrometer for determining the specific gravity of urine.
Urinometry (n.) The estimation of the specific gravity of urine by the urinometer.
Urinose (a.) Alt. of Urinous
Urinous (a.) Of or pertaining to urine, or partaking of its qualities; having the character or odor of urine; similar to urine.
Urite (n.) One of the segments of the abdomen or post-abdomen of arthropods.
Urith (n.) The bindings of a hedge.
Urn (n.) A vessel of various forms, usually a vase furnished with a foot or pedestal, employed for different purposes, as for holding liquids, for ornamental uses, for preserving the ashes of the dead after cremation, and anciently for holding lots to be drawn.
Urn (n.) Fig.: Any place of burial; the grave.
Urn (n.) A measure of capacity for liquids, containing about three gallons and a haft, wine measure. It was haft the amphora, and four times the congius.
Urn (n.) A hollow body shaped like an urn, in which the spores of mosses are contained; a spore case; a theca.
Urn (n.) A tea urn. See under Tea.
Urn (v. t.) To inclose in, or as in, an urn; to inurn.
Urnal (a.) Of or pertaining to an urn; effected by an urn or urns.
Urnfuls (pl. ) of Urnful
Urnful (n.) As much as an urn will hold; enough to fill an urn.
Urn-shaped (a.) Having the shape of an urn; as, the urn-shaped capsules of some mosses.