Va`ri*a*bil"i*ty (?), n. [Cf. F. variabilit'e.]

1.

The quality or state of being variable; variableness.

2. Biol.

The power possessed by living organisms, both animal and vegetable, of adapting themselves to modifications or changes in their environment, thus possibly giving rise to ultimate variation of structure or function.

 

© Webster 1913.

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