protractile


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pro·trac·tile

 (prō-trăk′təl, -tīl′, prə-) also pro·tract·i·ble (-tə-bəl)
adj.
Capable of being protracted; extensible: protractile limbs and claws.

pro′trac·til′i·ty (prō′trăk-tĭl′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

protractile

(prəˈtræktaɪl) or less commonly

protractible

adj
(Zoology) able to be extended or protruded: protractile muscle.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pro•trac•tile

(proʊˈtræk tɪl, -taɪl, prə-)

adj.
capable of being protracted, lengthened, or protruded.
[1820–30]
pro`trac•til′i•ty, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.protractile - able to be extended; "protractile muscle"
extensible, extensile - capable of being protruded or stretched or opened out; "an extensile tongue"; "an extensible measuring rule"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

protractile

adjective
Capable of being extended or expanded:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
References in periodicals archive ?
First, the surface of a hollow tube was rolled by knurling tools and a series of protractile teeth with a direction perpendicular to axial direction of the tube were formed.
Eyes are large and well apparent; mouth is widely protractile. The single dorsal fin has spines and supplemental soft rays.