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ptero-

1.
a combining form meaning “wing,” “feather,” used in the formation of compound words:
pterodactyl.
Also, pter-.
Origin of ptero-
< New Latin, combining form representing Greek pterón
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for ptero-

ptero-

combining form
1.
wing, feather, or a part resembling a wing: pterodactyl
Word Origin
from Greek pteron wing, feather
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
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Word Origin and History for ptero-

before vowels pter-, word-forming element in science meaning "feather; wing," from comb. form of Greek pteron "wing," from PIE *pt-ero- (cf. Sanskrit patram "wing, feather," Old Church Slavonic pero "pen," Old Norse fjöðr, Old English feðer), from root *pet- "to rush; to fly" (see petition (n.))

Online Etymology Dictionary, © 2010 Douglas Harper
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ptero- in Medicine

ptero- or pter-
pref.
Wing; feather: pterion.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Difficulty index for ptero-

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Word Value for ptero

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