Definition of ptilosis in English:

ptilosis

noun tɪˈləʊsɪs

Ornithology rare

The appearance or characteristics of the feathers (especially the down feathers) of a bird; the plumage; the study of this.

Origin

Mid 19th century; earliest use found in Robert Mayne (1808–1868). From scientific Latin ptilosis from Hellenistic Greek πτίλωσις plumage from πτιλοῦν to furnish with wings or feathers (from ancient Greek πτίλον soft feather, down: see ptilo-) + -ωσις.

Definition of ptilosis in US English:

ptilosis

nountɪˈləʊsɪs

Ornithology rare

The appearance or characteristics of the feathers (especially the down feathers) of a bird; the plumage; the study of this.

Origin

Mid 19th century; earliest use found in Robert Mayne (1808–1868). From scientific Latin ptilosis from Hellenistic Greek πτίλωσις plumage from πτιλοῦν to furnish with wings or feathers (from ancient Greek πτίλον soft feather, down: see ptilo-) + -ωσις.

单词	ptilosis
释义	Definition of ptilosis in English: ptilosis noun tɪˈləʊsɪs Ornithology rare The appearance or characteristics of the feathers (especially the down feathers) of a bird; the plumage; the study of this. Origin Mid 19th century; earliest use found in Robert Mayne (1808–1868). From scientific Latin ptilosis from Hellenistic Greek πτίλωσις plumage from πτιλοῦν to furnish with wings or feathers (from ancient Greek πτίλον soft feather, down: see ptilo-) + -ωσις. Definition of ptilosis in US English: ptilosis nountɪˈləʊsɪs Ornithology rare The appearance or characteristics of the feathers (especially the down feathers) of a bird; the plumage; the study of this. Origin Mid 19th century; earliest use found in Robert Mayne (1808–1868). From scientific Latin ptilosis from Hellenistic Greek πτίλωσις plumage from πτιλοῦν to furnish with wings or feathers (from ancient Greek πτίλον soft feather, down: see ptilo-) + -ωσις.
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