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vital

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vi⋅tal

[vahyt-l]
–adjective
1. of or pertaining to life: vital processes.
2. having remarkable energy, liveliness, or force of personality: a vital leader.
3. being the seat or source of life: the vital organs.
4. necessary to life: vital fluids.
5. necessary to the existence, continuance, or well-being of something; indispensable; essential: vital for a healthy society.
6. affecting the existence, well-being, truth, etc., of something: a vital error.
7. of critical importance: vital decisions.
8. destructive to life; deadly: a vital wound.

Origin:
1350–1400; ME < L vītālis, equiv. to vīt(a) life (deriv. of vīvere to live; akin to Gk bíesthai, Skt jīvati (he) lives, E quick ) + -ālis -al 1


vi⋅tal⋅ly, adverb
vi⋅tal⋅ness, noun


5. important, critical.

vi⋅tals

[vahyt-lz]
–plural noun
1. those bodily organs that are essential to life, as the brain, heart, liver, lungs, and stomach.
2. the essential parts of something: the vitals of a democracy.

Origin:
1600–10; trans. of L vītālia; see vital
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To vital
vi·tal   (vīt'l)   
adj.  
  1. Of, relating to, or characteristic of life: See Synonyms at living.

  2. Necessary to the continuation of life; life-sustaining: a vital organ; vital nutrients.

  3. Full of life; animated: "The population of the teeming, vital slum . . . declined" (Rick Hampson).

  4. Imparting life or animation; invigorating: the sun's vital rays.

  5. Necessary to continued existence or effectiveness; essential: "Irrigation was vital to early civilization" (William H. McNeill). "A vital component of any democracy is a free labor movement" (Bayard Rustin).

  6. Concerned with or recording data pertinent to lives: vital records.

  7. Biology Used or done on a living cell or tissue: vital dyes; vital staining.

  8. Destructive to life; fatal: a vital injury.


[Middle English, from Old French, from Latin vītālis, from vīta, life; see gwei- in Indo-European roots.]
vi'tal·ly adv., vi'tal·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: vi·tal
Pronunciation: 'vIt-&l
Function: adjective
1 a : existing as a manifestation of life b : concerned with or necessary to the maintenance of life <vital organs> vital fluids>
2 : characteristic of life or living beings
3 : recording data relating to lives
4 : of, relating to, or constituting the staining of living tissues —vi·tal·ly /-&l-E/ adverb

Main Entry: vi·tals
Pronunciation: 'vIt-&lz
Function: noun plural
: vital organs (as the heart, liver, lungs, and brain)
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

vital vi·tal (vīt'l)
adj.

  1. Of, relating to, or characteristic of life.

  2. Necessary to the continuation of life.

  3. Used or done on a living cell or tissue, as in staining.

  4. Destructive to life; fatal, as of an injury.

vitals vi·tals (vīt'lz)
pl.n.

  1. The vital body organs.

  2. The parts that are essential to continued functioning, as of a system.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Computing Dictionary

VITAL
A semantics language using FSL, developed by Mondshein in 1967.
[Sammet 1969, p. 641].
(1995-02-23)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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