Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

American Heritage Dictionary - Cite This Source - Share This

u·nit       (yōō'nĭt)  Pronunciation Key  n.   An individual, group, structure, or other entity regarded as an elementary structural or functional constituent of a whole. A group regarded as a distinct entity within a larger group. A mechanical part or module. An entire apparatus or the equipment that performs a specific function. A fixed amount of scholastic study used as a basis for calculating academic credits, usually measured in hours of classroom instruction or laboratory work. A section of an academic course focusing on a selected theme: a unit on Native Americans. The lowest positive whole number; one. An element of a ring with a multiplicative inverse. A precisely specified quantity in terms of which the magnitudes of other quantities of the same kind can be stated. Medicine The quantity of a vaccine, serum, drug, or other agent necessary to produce a specific effect. A fixed amount of scholastic study used as a basis for calculating academic credits, usually measured in hours of classroom instruction or laboratory work. A section of an academic course focusing on a selected theme: a unit on Native Americans. The lowest positive whole number; one. An element of a ring with a multiplicative inverse. The number immediately to the left of the decimal point in the Arabic numeral system. Mathematics The lowest positive whole number; one. An element of a ring with a multiplicative inverse. [Back-formation from unity.]

Online Etymology Dictionary - Cite This Source - Share This
unit 

WordNet - Cite This Source - Share This

unit
noun
1.	any division of quantity accepted as a standard of measurement or exchange; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume" [syn: unit of measurement]
2.	an individual or group or structure or other entity regarded as a structural or functional constituent of a whole; "the reduced the number of units and installations"; "the word is a basic linguistic unit"
3.	an organization regarded as part of a larger social group; "the coach said the offensive unit did a good job"; "after the battle the soldier had trouble rejoining his unit"
4.	a single undivided whole; "an idea is not a unit that can be moved from one brain to another"
5.	a single undivided natural thing occurring in the composition of something else; "units of nucleic acids"
6.	an assemblage of parts that is regarded as a single entity; "how big is that part compared to the whole?"; "the team is a unit" [syn: whole]

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

unit u·nit (y&oomacr;'nĭt)
n.

1. An entity regarded as an elementary structural or functional constituent of a whole.
2. A precisely specified quantity in terms of which the magnitudes of other quantities of the same kind can be stated.
3. The quantity of a serum, drug, or other agent necessary to produce a specific effect.

Merriam-Webster's Medical Dictionary - Cite This Source - Share This
Main Entry: unit
Pronunciation: 'yü-n&t
Function: noun
1 : an amount of a biologically active agent (as a drug or antigen) required toproduce a specific result under strictly controlled conditions unit of penicillin>
2 : a molecule or portion of a molecule especially as combined in a largermolecule

Wallstreet Words - Cite This Source - Share This
unit

See specialist unitunit of tradingunitshare.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Unit

One\, a. [OE. one, on, an, AS. ["a]n; akin to D. een, OS. ["e]n, OFries. ["e]n, ["a]n, G. ein, Dan. een, Sw. en, Icel. einn, Goth. ains, W. un, Ir. & Gael. aon, L. unus, earlier oinos, oenos, Gr. ? the ace on dice; cf. Skr. ["e]ka. The same word as the indefinite article a, an. [root] 299. Cf. 2d A, 1st An, Alone, Anon, Any, None, Nonce, Only, Onion, Unit.]

1. Being a single unit, or entire being or thing, and no more; not multifold; single; individual.

The dream of Pharaoh is one. --Gen. xli. 25.

O that we now had here But one ten thousand of those men in England. --Shak.

2. Denoting a person or thing conceived or spoken of indefinitely; a certain. "I am the sister of one Claudio" [--Shak.], that is, of a certain man named Claudio.

3. Pointing out a contrast, or denoting a particular thing or person different from some other specified; -- used as a correlative adjective, with or without the.

From the one side of heaven unto the other. --Deut. iv. 32.

4. Closely bound together; undivided; united; constituting a whole.

The church is therefore one, though the members may be many. --Bp. Pearson

5. Single in kind; the same; a common.

One plague was on you all, and on your lords. --1 Sam. vi. 4.

6. Single; inmarried. [Obs.]

Men may counsel a woman to be one. --Chaucer.

Note: One is often used in forming compound words, the meaning of which is obvious; as, one-armed, one-celled, one-eyed, one-handed, one-hearted, one-horned, one-idead, one-leaved, one-masted, one-ribbed, one-story, one-syllable, one-stringed, one-winged, etc.

All one, of the same or equal nature, or consequence; as, he says that it is all one what course you take. --Shak.

One day. (a) On a certain day, not definitely specified, referring to time past.

One day when Phoebe fair, With all her band, was following the chase. --Spenser. (b) Referring to future time: At some uncertain day or period; some day.

Well, I will marry one day. --Shak.

Acronym Finder - Cite This Source - Share This

UNIT

UNIT: in Acronym Finder

On-line Medical Dictionary - Cite This Source - Share This

unit

unit: in CancerWEB's On-line Medical Dictionary