Dictionary » A » Adaptation

Adaptation

Definition

noun, plural: adaptations

(ecology)

The adjustment or changes in behavior, physiology, and structure of an organism to become more suited to an environment.

(ophthalmology)

The ability of the eye to adjust to various light intensities by regulating the pupil of the quantity of light entering the eye.

(neurology)

The decline in the frequency of firing of a neuron, particularly of a receptor, to changed, constantly applied environmental conditions.

(dentistry)

(1) The proper fitting of a denture.

(2) The degree of proximity and interlocking of restorative material to a tooth preparation.

(3) The exact adjustment of bands to teeth.


Supplement

(ecology) According to Charles Darwin's theory of evolution by natural selection, the organisms adapt to their environment to become better fitted to survive and passing their genes on to the next generation.


Word origin: Latin: adaptare = to fit.

Related forms: adaptational (adjective), adapt (verb).
Related terms: general adaptation syndrome, reality adaptation, social adaptation, light adaptation, reproductive adaptation, space adaptation syndrome, dark adaptation, photopic adaptation.


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