pterylosis

Information
Speech
pterylosis
Definition
Noun 
Ornithology
The particular arrangement of feathers on a bird.
Usage note
Pterylosis refers to the arrangement of feathers and how they are implanted in the skin, while ptilosis refers to the properties of the feathers themselves. English lemmas. English nouns. English countable nouns. en:Ornithology.
Meaning note
ornithology
Noun Verb Adjective Adverb Other
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