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a. The act or process of adapting.
b. The state of being adapted.
a. 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.
b. A composition that has been recast into a new form: The play is an adaptation of a short novel.
3. Biology
a. Change or adjustment in structure or habits by which a species becomes better able to function in its environment, occurring through the course of evolution by means of natural selection.
b. A structure or habit that results from this process.
4. Physiology The responsive adjustment of a sense organ, such as the eye, to varying conditions, such as light intensity.
5. Change in behavior of a person or group in response to new or modified surroundings.

ad′ap·ta′tion·al adj.
ad′ap·ta′tion·al·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


of or relating to adaptation
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.adaptational - of or relating to adaptationadaptational - of or relating to adaptation  
adaptative, adaptive - having a capacity for adaptation; "the adaptive coloring of a chameleon"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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Characteristics of persons with spinal cord injury (SCI) and chronic pain by adaptational subgroups Dysfunctional, Interpersonally Supported, and Adaptive Coper.
Construing benefits from adversity: Adaptational significance and dispositional underpinnings.
It can be viewed as the successful operation of "basic human adaptational systems." Conversely, depression and posttraumatic stress disorder (PTSD) may be understood, in part, as failure to adapt to stress.
However, any experiments performed to attempt to discern adaptational differences need to be done in an experimentally robust manner, with independent observations, such that correct cross comparisons between species can be attained.
This is largely due to the behavioral characteristics often associated with adolescents in special education programs (e.g., impulsivity, acting-out, and adaptational problems).
Incorporation of such metabolic capabilities into their gene pool may confer innovative adaptational strategies for survival in diverse environments and make it possible to select even hostile host niches by breaching host barriers that exclude other organisms.
Translating and transforming these themes and the literature itself into a musical genre is a form of adaptation, and when the adaptational enunciation is complete, that which is unvoiced in the original form gains a voice.
Stress appraisal, coping, and social support as predictors of adaptational outcome among dementia caregivers.
Another plausible hypothesis that has received empirical support is that children with cancer and their caregivers are prone to a repressive adaptational style.
Constructing benefits from adversity: Adaptational significance and dispositional underpinnings.
Separation-individuation is a normative developmental task that is presumed to have significant adaptational consequences for adolescents and young adults.
For instance, ethnic groups mostly composed of recent immigrants are more likely to experience greater adaptational challenges in different domains of institutional life.