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Urticaria

The nettle rash, a disease characterized by a transient eruption of red pimples and of wheals, accompanied with a burning or stinging sensation and with itching; uredo.

Urticate

To sting with, or as with, nettles; to irritate; to annoy.

Urtication

The act or process of whipping or stinging with nettles; -- sometimes used in the treatment of paralysis.

Urubu

The black vulture (Catharista atrata). It ranges from the Southern United States to South America. See Vulture.

Urus

A very large, powerful, and savage extinct bovine animal (Bos urus or Bos primigenius) anciently abundant in Europe. It appears to have still existed in the time of Julius Caesar. It had very large horns, and was hardly capable of domestication. Called also, ur, ure, and tur.

Urva

The crab-eating ichneumon (Herpestes urva), native of India. The fur is black, annulated with white at the tip of each hair, and a white streak extends from the mouth to the shoulder.

Us

The persons speaking, regarded as an object; ourselves; -- the objective case of we. See We.

Usager

One who has the use of anything in trust for another.

Usbeks Usbegs

A Turkish tribe which about the close of the 15th century conquered, and settled in, that part of Asia now called Turkestan.

Use

To be wont or accustomed; to be in the habit or practice; as, he used to ride daily; -- now disused in the present tense, perhaps because of the similarity in sound, between /use to,/ and /used to./

Useful

Full of use, advantage, or profit; producing, or having power to produce, good; serviceable for any end or object; helpful toward advancing any purpose; beneficial; profitable; advantageous; as, vessels and instruments useful in a family; books useful for improvement; useful knowledge; useful arts.

Usefulness

The quality or state of being useful; utility; serviceableness; advantage.

Useless

Having, or being of, no use; unserviceable; producing no good end; answering no valuable purpose; not advancing the end proposed; unprofitable; ineffectual; as, a useless garment; useless pity.

Usher

To introduce or escort, as an usher, forerunner, or harbinger; to forerun; -- sometimes followed by in or forth; as, to usher in a stranger; to usher forth the guests; to usher a visitor into the room.

Usherance

The act of ushering, or the state of being ushered in.

Usherdom

The office or position of an usher; ushership; also, ushers, collectively.

Usnea

A genus of lichens, most of the species of which have long, gray, pendulous, and finely branched fronds. Usnea barbata is the common bearded lichen which grows on branches of trees in northern forests.

Usnic

Pertaining to, or designating, a complex acid obtained, as a yellow crystalline substance, from certain genera of lichens (Usnea, Parmelia, etc.).

Ustion

The act of burning, or the state of being burned.

Usual

Such as is in common use; such as occurs in ordinary practice, or in the ordinary course of events; customary; ordinary; habitual; common.

Usucaption

The acquisition of the title or right to property by the uninterrupted possession of it for a certain term prescribed by law; -- the same as prescription in common law.

Usufruct

The right of using and enjoying the profits of an estate or other thing belonging to another, without impairing the substance.

Usufructuary

Of or pertaining to a usufruct; having the nature of a usufruct.

Usurp

To commit forcible seizure of place, power, functions, or the like, without right; to commit unjust encroachments; to be, or act as, a usurper.

Usurper

One who usurps; especially, one who seizes illegally on sovereign power; as, the usurper of a throne, of power, or of the rights of a patron.

Ut

The first note in Guido's musical scale, now usually superseded by do. See Solmization.

Utensil

That which is used; an instrument; an implement; especially, an instrument or vessel used in a kitchen, or in domestic and farming business.

Uterogestation

Gestation in the womb from conception to birth; pregnancy.

Uterus

The organ of a female mammal in which the young are developed previous to birth; the womb.

Utes

An extensive tribe of North American Indians of the Shoshone stock, inhabiting Colorado, Utah, New Mexico, Arizona, and adjacent regions. They are subdivided into several subordinate tribes, some of which are among the most degraded of North American Indians.

Utia

Any species of large West Indian rodents of the genus Capromys, or Utia. In general appearance and habits they resemble rats, but they are as large as rabbits.

Utica

Of, pertaining to, or designating, a subdivision of the Trenton Period of the Lower Silurian, characterized in the State of New York by beds of shale.

Utilitarian

One who holds the doctrine of utilitarianism.

Utilitarianism

The doctrine that the greatest happiness of the greatest number should be the end and aim of all social and political institutions.

Utilizable

Capable of being utilized; as, the utilizable products of the gas works.

Utilization

The act of utilizing, or the state of being utilized.

Utilize

To make useful; to turn to profitable account or use; to make use of; as, to utilize the whole power of a machine; to utilize one's opportunities.

Utmost

The most that can be; the farthest limit; the greatest power, degree, or effort; as, he has done his utmost; try your utmost.

Utopian

An inhabitant of Utopia; hence, one who believes in the perfectibility of human society; a visionary; an idealist; an optimist.

Utopianism

The ideas, views, aims, etc., of a Utopian; impracticable schemes of human perfection; optimism.

Utraquist

One who receives the eucharist in both kinds; esp., one of a body of Hussites who in the 15th century fought for the right to do this. Called also Calixtines.

Utricularia

A genus of aquatic flowering plants, in which the submersed leaves bear many little utricles, or ascidia. See Ascidium,

Utriculate

Resembling a bladder; swollen like a bladder; inflated; utricular.

Utriculoid

Resembling a bladder; utricular; utriculate.

Utriculus

A little sac, or bag; a utricle; especially, a part of the membranous labyrinth of the ear. See the Note under Ear.

Utterance

The last extremity; the end; death; outrance.

Utterly

In an utter manner; to the full extent; fully; totally; as, utterly ruined; it is utterly vain.

Uttermost

The utmost; the highest or greatest degree; the farthest extent.

Utterness

The quality or state of being utter, or extreme; extremity; utmost; uttermost.

Uva

A small pulpy or juicy fruit containing several seeds and having a thin skin, as a grape.

Uvate

A conserve made of grapes.

Uvea

The posterior pigmented layer of the iris; -- sometimes applied to the whole iris together with the choroid coat.

Uvic

Pertaining to, or obtained from, grapes; specifically, designating an organic acid, C7H8O3 (also called pyrotritartaric acid), obtained as a white crystalline substance by the decomposition of tartaric and pyrotartaric acids.

Uvitic

Pertaining to, or designating, an acid, CH3C6H3(CO2H)2, obtained as a white crystalline substance by the partial oxidation of mesitylene; -- called also mesitic acid.

Uvitonic

Pertaining to, or designating, an acid which is obtained as a white crystalline substance by the action of ammonia on pyrotartaric acid.

Uvula

The pendent fleshy lobe in the middle of the posterior border of the soft palate.

Uvular

Of or pertaining to a uvula.

Uvulatome

An instrument for removing the uvula.

Uvulatomy

The operation of removing the uvula.

Uxorial

Dotingly fond of, or servilely submissive to, a wife; uxorious; also, becoming a wife; pertaining to a wife.

Uxoricidal

Of or pertaining to uxoricide; tending to uxoricide.

Uxorious

Excessively fond of, or submissive to, a wife; being a dependent husband.

Uzema

A Burman measure of twelve miles.

Vacate

To make vacant; to leave empty; to cease from filling or occupying; as, it was resolved by Parliament that James had vacated the throne of England; the tenant vacated the house.

Vacatur

An order of court by which a proceeding is set aside or annulled.

Vaccary

A cow house, dairy house, or cow pasture.

Vaccinal

Of or pertaining to vaccinia or vaccination.

Vaccinate

To inoculate with the cowpox by means of a virus, called vaccine, taken either directly or indirectly from cows; now, generally, to administer (by injection or otherwise) any vaccine with the objective of rendering the recipient immune to an infectious disease. One who has been thus immunized by vaccination is said to be vaccinated against a particular disease. One may be thus immunized (vaccinated) also by oral ingestion or inhalation of a vaccine.

Vaccination

The act, art, or practice of vaccinating, or inoculating with the cowpox, in order to prevent or mitigate an attack of smallpox. Cf. Inoculation.

Vaccine

The virus of vaccinia used in vaccination.

Vaccinium

A genus of ericaceous shrubs including the various kinds of blueberries and the true cranberries.

Vacher

A keeper of stock or cattle; a herdsman.

Vacillancy

The quality or state of being vacillant, or wavering.

Vacillant

Vacillating; wavering; fluctuating; irresolute.

Vacillation

The act of vacillating; a moving one way and the other; a wavering.

Vacillatory

Inclined to vacillate; wavering; irresolute.

Vacuist

One who holds the doctrine that the space between the bodies of the universe, or the molecules and atoms of matter, is a vacuum; -- opposed to plenist.

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