Con*tract"ile (?), a. [Cf. F. contractile.]

tending to contract; having the power or property of contracting, or of shrinking into shorter or smaller dimensions; as, the contractile tissues.

The heart's contractile force. H. Brooke.

Each cilium seems to be composed of contractile substance. Hixley.

Contractile vacuole Zool., a pulsating cavity in the interior of a protozoan, supposed to be excretory in function. There may be one, two, or more.

 

© Webster 1913.

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