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adaptation British & World English

The action or process of adapting or being adapted

adaptation English Thesaurus

the adaptation of old buildings to new uses

dark adaptation British & World English

The adjustment of the eye to low light intensities, involving reflex dilation of the pupil and activation of the rod cells in preference to the cone cells

general adaptation syndrome British & World English

A set of physiological changes believed to occur in response to stressful environmental conditions, initially including increased activity of the adrenal glands and the sympathetic nervous system, with subsequent phases of resistance to the stress followed by exhaustion from it.

preadaptation British & World English

An adaptation which serves a different purpose from the one for which it evolved