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

  • n. The act or process of adapting.
  • n. The state of being adapted.
  • n. Something, such as a device or mechanism, that is changed or changes so as to become suitable to a new or special application or situation.
  • n. A composition that has been recast into a new form: The play is an adaptation of a short novel.
  • n. Biology An alteration or adjustment in structure or habits, often hereditary, by which a species or individual improves its condition in relationship to its environment.
  • n. Physiology The responsive adjustment of a sense organ, such as the eye, to varying conditions, such as light intensity.
  • n. Change in behavior of a person or group in response to new or modified surroundings.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The quality of being adapted; adaption; adjustment.
  • n. Adjustment to extant conditions: as, adjustment of a sense organ to the intensity or quality of stimulation; modification of some thing or its parts that makes it more fit for existence under the conditions of its current environment.
  • n. Something which has been adapted; variation.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act or process of adapting, or fitting; or the state of being adapted or fitted; fitness.
  • n. The result of adapting; an adapted form.

from The Century Dictionary and Cyclopedia

  • n. The act of adapting or adjusting; the state of being adapted or fitted; adjustment to circumstances or relations.
  • n. That which is adapted; the result of altering for a different use.
  • n. In biology, advantageous variation in animals or plants under changed conditions; the result of adaptability to, and variability under, external conditions; the operation of external influences upon a variable organism, or a character acquired by the organism as the result of such operation.
  • n. Same as immunization.

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

  • n. (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)
  • n. the process of adapting to something (such as environmental conditions)
  • n. a written work (as a novel) that has been recast in a new form


From French adaptation, from Medieval Latin adaptatio, from Latin adaptare; see adapt. (Wiktionary)



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