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The first note in Guido's musical scale, now usually superseded by do.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

Vacuity

The quality or state of being vacuous, or not filled; emptiness; vacancy; as, vacuity of mind; vacuity of countenance.

Vacuna

The goddess of rural leisure, to whom the husbandmen sacrificed at the close of the harvest. She was especially honored by the Sabines.

Vacuolated

Full of vacuoles, or small air cavities; as, vacuolated cells.

Vacuolation

Formation into, or multiplication of, vacuoles.

Vacuole

A small air cell, or globular space, in the interior of organic cells, either containing air, or a pellucid watery liquid, or some special chemical secretions of the cell protoplasm.

Vacuometer

An instrument for the comparison of barometers. An apparatus for the measurement of low pressures.

Vacuous

Empty; unfilled; void; vacant.

Vacuousness

The quality or state of being vacuous; emptiness; vacuity.

Vacuum

A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum.

Vadantes

An extensive artificial group of birds including the wading, swimming, and cursorial birds.

Vade

To fade; hence, to vanish.

Vadimony

A bond or pledge for appearance before a judge on a certain day.

Vadium

Pledge; security; bail. See Mortgage.

Vafrous

Crafty; cunning; sly; as, vafrous tricks.

Vagabond

To play the vagabond; to wander like a vagabond; to stroll.

Vagabondage

The condition of a vagabond; a state or habit of wandering about in idleness; vagrancy.

Vagabondize

To play the vagabond; to wander about in idleness.

Vagal

Of or pertaining to the vagus, or pneumogastric nerves; pneumogastric.

Vagantes

A tribe of spiders, comprising some of those which take their prey in a web, but which also frequently run with agility, and chase and seize their prey.

Vagarious

Given to, or characterized by, vagaries; capricious; whimsical; crochety.

Vaginant

Serving to invest, or sheathe; sheathing.

Vaginated Vaginate

Invested with, or as if with, a sheath; as, a vaginate stem, or one invested by the tubular base of a leaf.

Vaginati

A tribe of birds comprising the sheathbills.

Vaginervose

Having the nerves, or veins, placed in apparent disorder.

Vaginicola

A genus of Infusoria which form minute vaselike or tubular cases in which they dwell.

Vaginismus

A painful spasmodic contraction of the vagina, often rendering copulation impossible.

Vaginitis

Inflammation of the vagina, or the genital canal, usually of its mucous lining membrane.

Vaginula

A little sheath, as that about the base of the pedicel of most mosses. One of the tubular florets in composite flowers.

Vagrancy

The quality or state of being a vagrant; a wandering without a settled home; an unsettled condition; vagabondism.

Vagrant

One who strolls from place to place; one who has no settled habitation; an idle wanderer; a sturdy beggar; an incorrigible rogue; a vagabond.

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