Word Study
retractile
CIDE DICTIONARY
retractile, a. [Cf. F. -rétractile.].
Capable of retraction; capable of being drawn back or up; as, the claws of a cat are retractile. [1913 Webster]
OXFORD DICTIONARY
retractile, adj. capable of being retracted.
Derivative
retractility n.
Etymology
RETRACT, after contractile
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