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retractile

American  
[ri-trak-til] / rɪˈtræk tɪl /

adjective

Zoology.
  1. capable of being drawn back or in, as the head of a tortoise; exhibiting the power of retraction.


retractile British  
/ rɪˈtræktaɪl, ˌriːtrækˈtɪlɪtɪ /

adjective

  1. capable of being drawn in

    the retractile claws of a cat

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nonretractile adjective
  • nonretractility noun
  • retractility noun
  • subretractile adjective

Etymology

Origin of retractile

First recorded in 1770–80; retract 1 + -ile

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When the field goal is very, very nice, the denture effect becomes more pronounced, to the point that it starts to resemble a second, retractile mouth, tucked within the larger one; I think of “Alien.”

From New York Times

The bridge is formally known as a “retractile” bridge.

From New York Times

The pseudopods are retractile, the axial filament being absorbed as the filament grows shorter and thicker and disappearing when the pseudopod merges into the ectoplasm, to be reformed at the same time with the pseudopod.

From Project Gutenberg

Most species have sharp, curved claws, often retractile between some of the lamellae or into a special sheath.

From Project Gutenberg

The bells or cups are not, as might be fancied from a casual inspection, open like wineglasses at the top, but furnished with a retractile disk or cover, on which the cilia are arranged.

From Project Gutenberg