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apterium

 - 1 dictionary result

ap⋅te⋅ri⋅um

  [ap-teer-ee-uhm]
Use apterium in a Sentence
–noun, plural -te⋅ri⋅a  [-teer-ee-uh] . Ornithology.
one of the featherless portions of the skin of a bird.
Compare pteryla.

Origin:
1865–70; < NL; see a- 6 , pter-, -ium

Related forms:
ap⋅te⋅ri⋅al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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