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Visa Visa card

A credit card issued with the Trade Name /Visa/ on it; as, he charged the dinner to his Visa. Visa is a competitor of Master Card, Discover, MBNA, and American Express, and other credit card companies.

Visayan

A member of the most numerous of the native races of the Philippines, occupying the Visayan Islands and the northern coast Mindanao; also, their language. The Visayans possessed a native culture and alphabet.

Viscacha Viz-cacha

A large burrowing South American rodent (Lagostomus trichodactylus) allied to the chinchillas, but much larger. Its fur is soft and rather long, mottled gray above, white or yellowish white beneath. There is a white band across the muzzle, and a dark band on each cheek. It inhabits grassy plains, and is noted for its extensive burrows and for heaping up miscellaneous articles at the mouth of its burrows. Called also biscacha, bizcacha, vischacha, vishatscha.

Visceral

Of, pertaining to, or affecting the viscera; splanchnic.

Viscerate

To deprive of the viscera, or entrails; to eviscerate; to disembowel.

Visceroskeletal

Of or pertaining to the framework, or skeleton, or skeleton, of the viscera; as, the visceroskeletal system of muscles.

Viscid

Sticking or adhering, and having a ropy or glutinous consistency; viscous; glutinous; sticky; tenacious; clammy; as, turpentine, tar, gums, etc., are more or less viscid.

Viscidity

The quality or state of being viscid; also, that which is viscid; glutinous concretion; stickiness.

Viscin

A clear, viscous, tasteless substance extracted from the mucilaginous sap of the mistletoe (Viscum album), holly, etc., and constituting an essential ingredient of birdlime.

Viscoidal

Somewhat viscous. Cf. Mobile, a., 2.

Viscosimeter

An instrument for measuring the degree of viscosity of liquids, as solutions of gum.

Viscosity

The quality or state of being viscous.

Viscount

An officer who formerly supplied the place of the count, or earl; the sheriff of the county.

Viscountcy

The dignity or jurisdiction of a viscount.

Viscous

Adhesive or sticky, and having a ropy or glutinous consistency; viscid; glutinous; clammy; tenacious; as, a viscous juice.

Viscum

A genus of parasitic shrubs, including the mistletoe of Europe.

Viscus

One of the organs, as the brain, heart, or stomach, in the great cavities of the body of an animal; -- especially used in the plural, and applied to the organs contained in the abdomen.

Vise

To examine and indorse, as a passport; to visa.

Vishnu

A divinity of the modern Hindu trimurti, or trinity. He is regarded as the preserver, while Brahma is the creator, and Siva the destroyer of the creation.

Visible

Perceivable by the eye; capable of being seen; perceptible; in view; as, a visible star; the least spot is visible on white paper.

Visigoth

One of the West Goths. See the Note under Goth.

Vision

To see in a vision; to dream.

Visionary

One whose imagination is disturbed; one who sees visions or phantoms.

Visioned

Having the power of seeing visions; inspired; also, seen in visions.

Visit

The act of visiting, or going to see a person or thing; a brief stay of business, friendship, ceremony, curiosity, or the like, usually longer than a call; as, a visit of civility or respect; a visit to Saratoga; the visit of a physician.

Visitable

Liable or subject to be visited or inspected.

Visitation

The act of visiting, or the state of being visited; access for inspection or examination.

Visitatorial

Of or pertaining to visitation, or a judicial visitor or superintendent; visitorial.

Visite

A light cape or short cloak of silk or lace worn by women in summer.

Visive

Of or pertaining to the sight; visual.

Visne

Neighborhood; vicinity; venue. See Venue.

Visor

A part of a helmet, arranged so as to lift or open, and so show the face. The openings for seeing and breathing are generally in it.

Vista

A view; especially, a view through or between intervening objects, as trees; a view or prospect through an avenue, or the like; hence, the trees or other objects that form the avenue.

Visto

A vista; a prospect.

Visual

Of or pertaining to sight; used in sight; serving as the instrument of seeing; as, the visual nerve.

Visualize

To form a mental image of something not present before the eye at the time.

Visualizer

One who visualizes or is proficient in visualization; one whose mental imagery is prevailingly visualization.

Vital

A vital part; one of the vitals.

Vitalism

The doctrine that all the functions of a living organism are due to an unknown vital principle distinct from all chemical and physical forces.

Vitalist

A believer in the theory of vitalism; -- opposed to physicist.

Vitalistic

Pertaining to, or involving, vitalism, or the theory of a special vital principle.

Vitality

The quality or state of being vital; the principle of life; vital force; animation; as, the vitality of eggs or vegetable seeds; the vitality of an enterprise.

Vitalization

The act or process of vitalizing, or infusing the vital principle.

Vitalize

To endow with life, or vitality; to give life to; to make alive; as, vitalized blood.

Vitals

Organs that are necessary for life; more especially, the heart, lungs, and brain.

Vitamin

any of several organic chemical substances not synthesized by an animal and required in small quantities for normal metabolism, present in and obtained from the natural foods eaten by the animal. Human vitamins are also produced synthetically, and taken in pure form or in mixtures, as dietary supplements. Deficiencies of specific vitamins lead to certain specific disorders, such as scurvy, caused by an insufficiency of vitamin C (ascorbic acid).

vitamin A

any of several related fat-soluble vitamins (such as retinol) essential for normal vision; it also prevents night blindness or inflammation or dryness of the eyes.

vitamin A1

retinol (C20H30O), one of the substances also called vitamin A. It is also called more specifically vitamin A alcohol. It is a required factor for human nutrition. The USP unit of activity is equal to 0.30 micrograms of retinol.

vitamin A2

dehydroretinol (C20H28O), one of the substances also called vitamin A. It has about 40% of the bioactivity of vitamin A1.

vitamin B

a group of water-soluble vitamins originally thought to be a single vitamin but now separated into several B vitamins.

vitamin B complex

a mixture of water-soluble vitamins originally thought to be a single vitamin but now known to be a mixture of several compounds with vitaminic activity.

vitamin B1

a B vitamin (C12H17N4OS)Cl that prevents beriberi and maintains appetite and growth. Same as thiamine.

vitamin B12

a B vitamin that is used to treat pernicious anemia.

vitamin B2

a B vitamin that prevents skin lesions and weight loss.

vitamin B6

a B vitamin that is essential for metabolism of amino acids and starch.

vitamin Bc

a B vitamin that is essential for cell growth and reproduction. Also called folic acid

vitamin C

a vitamin that prevents scurvy. Also called ascorbic acid.

vitamin D

any of several chemically related fat-soluble vitamins that prevent rickets. It is found in fish-liver oils, egg yolks and milk. Component vitamin D2 is also called calciferol, and vitamin D3 is called cholecalciferol.

vitamin E

a fat-soluble vitamin that is essential for normal reproduction. It is found in vegetable oils, butter, and eggs.

vitamin H

a B vitamin that aids in body growth.

vitamin K

either of two fat-soluble vitamins (vitamin K1 or vitamin K2) that help clot blood by participating in the fromation of prothrombin.

vitamin K1

one of the two K vitamins, (C31H46O2). It is fat-soluble and occurs naturally as the trans isomer. Chemically it is 2-methyl-3-phytyl-1,4,-naphthoquinone.

vitamin K3

menadione, (C11H8O2) being chemically 2-methyl-1,4,-naphthoquinone. Having no side chain in the 3 position, it cannot exert all functions of a true K vitamin and the designation as vitamin K3 has been discouraged

vitamin p

a water-soluble vitamin that maintains the resistance of cell and capillary walls to permeation.

vitamins K2 vitamin K2

one of the two K vitamins, actually a mixture of homologous fat-soluble substituted naphthoquinones (called menaquinones), (C11H7O2[C5H8]nH), where n may be 1 to 13 but is mostly 7 to 9. The term is also used for synthetic compounds resembling vitamin K2 and having the same physiological action. The individual components of vitamin K2 are also referred to by the number of isoprenyl units in the side chain (the number n in the formula), as for menadione, having no units at that position of the naphthaquinone ring, and also called vitamin K2(0) (and also called vitamin K3).

Vitascope

A form of machine for exhibiting animated pictures.

Vitelligenous

Producing yolk, or vitelline substance; -- applied to certain cells (also called nutritive, or yolk, cells) formed in the ovaries of many insects, and supposed to supply nutriment to the developing ova.

Vitellin

An albuminous body, belonging to the class of globulins, obtained from yolk of egg, of which it is the chief proteid constituent, and from the seeds of many plants. From the latter it can be separated in crystalline form.

Vitelline

Of or pertaining to the yolk of eggs; as, the vitelline membrane, a smooth, transparent membrane surrounding the vitellus.

Vitellogene

A gland secreting the yolk of the eggs in trematodes, turbellarians, and some other helminths.

Vitiate

To make vicious, faulty, or imperfect; to render defective; to injure the substance or qualities of; to impair; to contaminate; to spoil; as, exaggeration vitiates a style of writing; sewer gas vitiates the air.

Vitiation

The act of vitiating, or the state of being vitiated; depravation; corruption; invalidation; as, the vitiation of the blood; the vitiation of a contract.

Vitiligo

A rare skin disease consisting in the development of smooth, milk-white spots upon various parts of the body.

Vitis

A genus of plants including all true grapevines.

Vitrage

A curtain of light and translucent material intended to be secured directly to the woodwork of a French casement window or a glazed door.

Vitre-o-electic

Containing or exhibiting positive, or vitreous, electricity.

Vitrella

One of the transparent lenslike cells in the ocelli of certain arthropods.

Vitreous

Consisting of, or resembling, glass; glassy; as, vitreous rocks.

Vitrescence

The quality or state of being vitreous; glassiness, or the quality of being vitrescent; capability of conversion into glass; susceptibility of being formed into glass.

Vitrescent

Capable of being formed into glass; tending to become glass.

Vitric

Having the nature and qualities of glass; glasslike; -- distinguished from ceramic.

Vitrics

The art or study of the manufacture and decoration of glassware.

Vitrifaction

The act, art, or process of vitrifying; also, the state of being vitrified.

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