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2017 Word of the Year

apterium

[ap-teer-ee-uh m] /æpˈtɪər i əm/
noun, plural apteria
[ap-teer-ee-uh] /æpˈtɪər i ə/ (Show IPA).
Ornithology.
1.
one of the featherless portions of the skin of a bird.
Compare pteryla.
Origin of apterium
1865-1870
From New Latin, dating back to 1865-70; See origin at a-6, pter-, -ium
Related forms
apterial, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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