pterylosisn.

Brit.

/ˌtɛrᵻˈləʊsɪs/, U.S.

/ˌtɛrəˈloʊsəs/

Inflections: Plural pteryloses.

Origin: Either (i) formed within English, by derivation; modelled on a German lexical item. Or (ii) a borrowing from Latin, combined with an English element; modelled on a German lexical item. Etymons: pteryla n.; Latin pteryla , -osis suffix.

Etymology: < pteryla n. or its etymon post-classical Latin pteryla + -osis suffix, after German Federnstellung (1840 (in C. L. Nitzsch) or earlier), literally ‘position of the feathers’.Compare German Pterylose (1888 or earlier; the term does not occur in C. L. Nitzsch System der Pterylographie (1840)).

Ornithology.

The arrangement or disposition of the feathers of a bird, esp. where this occurs in distinct tracts (pterylae); an instance of this.

ΘΚΠ

the world > animals > birds > feather > [noun] > clump of or pteryla > arrangement of

pterylosis1867

1867 T. H. Huxley in Proc. Zool. Soc. 457 The pterylosis of this group..has been carefully described by the latter writer [sc. Nitzsch].

1874 E. Coues Birds Northwest 590 Of the pterylosis it may be observed, after Nitzsch, that the general character is perfectly scolopacine.

1910 W. P. Pycraft Hist. Birds 46 In the pterylosis of the wing it [sc. the ostrich] shows more primitive characters, probably, than any other group.

1957 Bull. Amer. Mus. Nat. Hist. 113 339 (title) Natal plumages and downy pteryloses of passerine birds of North America.

1997 Colonial Waterbirds 20 108/2 These interesting ideas, based on observations of osteology, pterylosis, and powderdown, have not been corroborated by molecular data.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2022).

单词	pterylosis
释义	pterylosisn. Brit. /ˌtɛrᵻˈləʊsɪs/, U.S. /ˌtɛrəˈloʊsəs/ Inflections: Plural pteryloses. Origin: Either (i) formed within English, by derivation; modelled on a German lexical item. Or (ii) a borrowing from Latin, combined with an English element; modelled on a German lexical item. Etymons: pteryla n.; Latin pteryla , -osis suffix. Etymology: < pteryla n. or its etymon post-classical Latin pteryla + -osis suffix, after German Federnstellung (1840 (in C. L. Nitzsch) or earlier), literally ‘position of the feathers’.Compare German Pterylose (1888 or earlier; the term does not occur in C. L. Nitzsch System der Pterylographie (1840)). Ornithology. The arrangement or disposition of the feathers of a bird, esp. where this occurs in distinct tracts (pterylae); an instance of this. ΘΚΠ the world > animals > birds > feather > [noun] > clump of or pteryla > arrangement of pterylosis1867 1867 T. H. Huxley in Proc. Zool. Soc. 457 The pterylosis of this group..has been carefully described by the latter writer [sc. Nitzsch]. 1874 E. Coues Birds Northwest 590 Of the pterylosis it may be observed, after Nitzsch, that the general character is perfectly scolopacine. 1910 W. P. Pycraft Hist. Birds 46 In the pterylosis of the wing it [sc. the ostrich] shows more primitive characters, probably, than any other group. 1957 Bull. Amer. Mus. Nat. Hist. 113 339 (title) Natal plumages and downy pteryloses of passerine birds of North America. 1997 Colonial Waterbirds 20 108/2 These interesting ideas, based on observations of osteology, pterylosis, and powderdown, have not been corroborated by molecular data. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2022). < n.1867
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