Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adverb & adjective In an artificial environment outside a living organism.

from The Century Dictionary.

  • Within glass, that is, a test-tube: said of chemical reactions, bacterial cultures, etc., obtained experimentally in the test-tube as contrasted with those occurring in vivo, that is, within the living body.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective In an artificial environment outside the living organism.
  • adverb In an artificial environment outside the living organism.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adverb in an artificial environment outside the living organism
  • adjective in an artificial environment outside the living organism

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin in vitrō : Latin in, in + Latin vitrō, ablative of vitrum, glass.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin in vitro ("within the glass")

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Examples

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