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apterygial

[ap-tuh-rij-ee-uh l]
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adjective Zoology.
  1. having no wings, fins, or limbs, as snakes and eels.
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Origin of apterygial

1900–05; a-6 + Greek pteryg- (stem of ptéryx wing) + -ial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for apterygial

apterygial

adjective
  1. (of eels, certain insects, etc) lacking such paired limbs as wings or fins
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Word Origin

C20: from New Latin apteryx wingless creature; see apterous
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