alationn.

Brit.

/əˈleɪʃn/, U.S.

/əˈleɪʃ(ə)n/

Origin: A borrowing from French. Etymon: French alation.

Etymology: < French alation (1816 in Cuvier, or earlier) < post-classical Latin alation- , alatio (1816 or earlier in entomology; 1868 or earlier in botany) < classical Latin ālātus alate adj. + -iō -ion suffix¹. With the use in botany compare foliation n.

Chiefly Zoology and Palaeontology.

Winged condition; the form and arrangement of wings. Also: a winglike structure.

ΘΚΠ

the world > life > biology > physical aspects or shapes > projection or protuberance > [noun] > wing

wing1650

ala1784

alation1860

1828 J. F. Stephens Illustr. Brit. Entomol. I. 178 With respect to the alation of geodephagous, and other insects,..the most that can be alleged is, that certain species have a greater tendency to be apterous than others.

1860 Proc. Acad. Nat. Sci. Philadelphia 1859 297 Inside, the cardinal third of the shell shows an alation which is invisible exteriorly.

1905–6 J. W. Tutt Nat. Hist. Brit. Lepidoptera VIII. 256 The surface is either simply a little elevated, or expanded, after elevation, into nearly horizontal alations.

1953 Jrnl. Paleontol. 27 780/2 Alation interrupted near posterior end by a faint curved sulcus.

1999 Kew Bull. 54 656 As the apex..never extends to the apex of the sporangiospore proper, the impression of rudimentary alation is given in some species.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	alation
释义	alationn. Brit. /əˈleɪʃn/, U.S. /əˈleɪʃ(ə)n/ Origin: A borrowing from French. Etymon: French alation. Etymology: < French alation (1816 in Cuvier, or earlier) < post-classical Latin alation- , alatio (1816 or earlier in entomology; 1868 or earlier in botany) < classical Latin ālātus alate adj. + -iō -ion suffix¹. With the use in botany compare foliation n. Chiefly Zoology and Palaeontology. Winged condition; the form and arrangement of wings. Also: a winglike structure. ΘΚΠ the world > life > biology > physical aspects or shapes > projection or protuberance > [noun] > wing wing1650 ala1784 alation1860 1828 J. F. Stephens Illustr. Brit. Entomol. I. 178 With respect to the alation of geodephagous, and other insects,..the most that can be alleged is, that certain species have a greater tendency to be apterous than others. 1860 Proc. Acad. Nat. Sci. Philadelphia 1859 297 Inside, the cardinal third of the shell shows an alation which is invisible exteriorly. 1905–6 J. W. Tutt Nat. Hist. Brit. Lepidoptera VIII. 256 The surface is either simply a little elevated, or expanded, after elevation, into nearly horizontal alations. 1953 Jrnl. Paleontol. 27 780/2 Alation interrupted near posterior end by a faint curved sulcus. 1999 Kew Bull. 54 656 As the apex..never extends to the apex of the sporangiospore proper, the impression of rudimentary alation is given in some species. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1828
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