- Preferential survival of members of a species because of a phenotype that enhances their capacity to withstand the environment, including the ecology.
- An advantageous change in function or constitution of an organ or tissue to meet new conditions.
- Adjustment of the sensitivity of the retina to light intensity.
- A property of certain sensory receptors that modifies the response to repeated or continued stimuli at constant intensity.
- The fitting, condensing, or contouring of a restorative material, foil, or shell to a tooth or cast to ensure close contact.
- The dynamic process by which the thoughts, feelings, behavior, and biophysiologic mechanisms of the person continually adjust to a constantly changing environment.
- A homeostatic response.
See: development1, equilibration5
[L. ad-apto, pp. -atus, to adjust]