apterium

[ ap-teer-ee-uhm ]
/ æpˈtɪər i əm /

noun, plural ap·te·ri·a [ap-teer-ee-uh]. /æpˈtɪər i ə/. Ornithology.

one of the featherless portions of the skin of a bird.

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Compare pteryla.

Origin of apterium

From New Latin, dating back to 1865–70; see origin at a-6, pter-, -ium

OTHER WORDS FROM apterium

ap·te·ri·al, adjective

Words nearby apterium

Ap star, Apsu, Apsyrtus, apt, apteral, apterium, apterous, apterygial, apterygote, apteryx, aptitude
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020