Webster's Dictionary 1913

2323

Uratic

U‐rat″ic (?), (Physiol. Chem.) Of or containing urates; as, uratic calculi.

2324

Urban

Ur″ban (?), a. [L. urbanus belonging to the �ity or town, refined, polished, fr. urbs, urbis, a city: cf. F. urbain. Cf. Urbane.]1. Of or belonging to a city or town; as, an urb...

2325

Urbane

Ur‐bane″ (?), a. [See Urban.] Courteous in manners; polite; refined; elegant.

2326

Urbaniste

Ur″ban‐iste (?), n.(Bot.) A large and delicious pear or Flemish origin.

2327

Urbanity

Ur‐ban″i‐ty (?), n. [L. urbanitas; cf. F. urbanité.]1. The quality or state of being urbane; civility or courtesy of manners; politeness; refinement.The marquis did the honors o...

2328

Urbanize

Ur″ban‐ize (?), v. t. To render urban, or urbane; to refine; to polish. Howell.

2329

Urbicolæ

‖Ur‐bic″o‐læ (?), n. pl. [NL., fr. L. urbs, urbis, a city + colere to inhabit.] (Zoöl.) An extensive family of butterflies, including those known as skippers (Hesperiadæ).

2330

Urbicolous

Ur‐bic″o‐lous (?), a. Of or pertaining to a city; urban.

2331

Urcelate

Ur″ce‐late (?), a. [L. urceolus, dim. of urceus a pitcher or waterpot.] (Nat. Hist.) Shaped like a pitcher or urn; swelling below, and contrasted at the orifice, as a calyx or c...

2332

Urceolar

Ur″ce‐o‐lar (?), a. Urceolate.

2333

Urceole

Ur″ce‐ole (?), n. [See Urceolate.] (R. C. Ch.) A vessel for water for washing the hands; also, one to hold wine or water.

2334

Urceolus

‖Ur‐ce″o‐lus (?), n.; pl.Urceoli (#). (Bot.) Any urn-shaped organ of a plant.

2335

Urchin

Ur″chin (?), n. [OE. urchon, irchon, a hedgehog, OF. ireçon, eriçon, heri�on, herichon, F. hérisson, a derivative fr. L. ericius, from er a hedgehog, for her; akin to Gr. �. Cf....

2336

Urchin (2)

Ur″chin, a. Rough; pricking; piercing. “Helping all urchin blasts.” Milton.

2337

Urchon

Ur″chon (?), n.(Zoöl.) The urchin, or hedgehog.

2338

Urdu

Ur″du (?), n. [Hind. urdū.] The language more generally called Hindoostanee.

2339

Ure (2)

Ure (?), n. [OE. ure, OF. oevre, ovre, ouvre, work, F. œuvre, L. opera. See Opera, Operate, and cf. Inure, Manure.] Use; practice; exercise. Fuller.Let us be sure of this, to pu...

2340

Ure (3)

Ure, v. t. To use; to exercise; to inure; to accustom by practice.The French soldiers... from their youth have been practiced and ured in feats of arms. Sir T. More.

2341

Urea

U″re‐a (?), a. [NL. See Urine.] (Physiol. Chem.) A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals. It is also presen...

2342

Ureal

U″re‐al (?), a. Of or pertaining to urea; containing, or consisting of, urea; as, ureal deposits.

2343

Ureameter

U′re‐am″e‐ter (?), n. [Urea + -meter.] (Physiol. Chem.) An apparatus for the determination of the amount of urea in urine, in which the nitrogen evolved by the action of certain...

2344

Urechitin

U′re‐chi″tin (?), n.(Chem.) A glucoside extracted from the leaves of a certain plant (Urechitis suberecta) as a bitter white crystalline substance.

2345

Urechitoxin

U′re‐chi‐tox″in (?), n. [Urechitin + toxic + -in.] (Chem.) A poisonous glucoside found accompanying urechitin, and extracted as a bitter white crystalline substance.

2346

Uredo

‖U‐re″do (?), n. [L., a blast, blight, a burning itch, fr. urere to burn, to scorch.]1. (Bot.) One of the stages in the life history of certain rusts (Uredinales), regarded at o...

2347

Uredospore

U‐re″do‐spore (?), n.(Bot.) The thin-walled summer spore which is produced during the so-called Uredo stage of certain rusts. See (in the Supplement) Uredinales, Heterœcious, etc.

2348

Ureide

U″re‐ide (?), n.(Chem.) Any one of the many complex derivatives of urea; thus, hydantoin, and, in an extended dense, guanidine, caffeine, et., are ureides. [Written also ureid.]

2349

Ureter

‖U‐re″ter (?; 277), n. [NL., fr. Gr. �. See Urine.] (Anat.) The duct which conveys the urine from the kidney to the bladder or cloaca. There are two ureters, one for each kidney.