ctenoidadj.n.

Brit.

/ˈtiːnɔɪd/,

/ˈtɛnɔɪd/, U.S.

/ˈtiˌnɔɪd/,

/ˈtɛˌnɔɪd/

Etymology: < Greek κτενοειδής comb-shaped: see -oid suffix.

Zoology.

A. adj.

1. Resembling a comb; having marginal projections like the teeth of a comb; pectinate; applied to the scales and teeth of certain fishes.

ΘΚΠ

the world > animals > fish > parts of fish > [adjective] > of teeth

molar1626

cardiform1834

molary1835

villiform1846

ciliiform1849

ctenoid1872

the world > animals > fish > parts of fish > [adjective] > having scales > of scales of specific type

fulcral1809

placoid1842

cycloid1847

ctenoid1872

cycloidal1872

1872 H. A. Nicholson Man. Palæontol. 307 Ctenoid scales..consisting of thin horny plates, but having their posterior margins fringed with spines, or cut into comb-like projections.

2. Belonging to the Ctenoidei, an order of fishes in Agassiz's classification, containing those with ctenoid scales.

ΘΚΠ

the world > animals > fish > parts of fish > [adjective] > having scales > of specific type

lepidoid1836

cycloid1847

ganoid1847

ctenoid1851

1851 T. Wright & G. F. Richardson Introd. Geol. (new ed.) viii. 285 Four fifths of the fishes now living belong to the cycloid and ctenoid orders.

B. n.

A ctenoid fish. (Now disused.)

ΘΚΠ

the world > animals > fish > parts of fish > [noun] > scales or parts of > fish having > fish having projecting scales or ctenoid

ctenoidean1836

ctenoid1847

1847 D. T. Ansted Anc. World x. 246 Two orders of Fishes..the Ctenoids and Cycloids.

Derivatives

cteˈnoidean adj. and n. = A. 2.

ΘΚΠ

the world > animals > fish > parts of fish > [noun] > scales or parts of > fish having > fish having projecting scales or ctenoid

ctenoidean1836

ctenoid1847

1836 W. Buckland Geol. & Mineral. I. xiv. 270 (note) The Ctenoïdians have their scales jagged or pectinated, like the teeth of a comb.

This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2022).

单词	ctenoid
释义	ctenoidadj.n. Brit. /ˈtiːnɔɪd/, /ˈtɛnɔɪd/, U.S. /ˈtiˌnɔɪd/, /ˈtɛˌnɔɪd/ Etymology: < Greek κτενοειδής comb-shaped: see -oid suffix. Zoology. A. adj. 1. Resembling a comb; having marginal projections like the teeth of a comb; pectinate; applied to the scales and teeth of certain fishes. ΘΚΠ the world > animals > fish > parts of fish > [adjective] > of teeth molar1626 cardiform1834 molary1835 villiform1846 ciliiform1849 ctenoid1872 the world > animals > fish > parts of fish > [adjective] > having scales > of scales of specific type fulcral1809 placoid1842 cycloid1847 ctenoid1872 cycloidal1872 1872 H. A. Nicholson Man. Palæontol. 307 Ctenoid scales..consisting of thin horny plates, but having their posterior margins fringed with spines, or cut into comb-like projections. 2. Belonging to the Ctenoidei, an order of fishes in Agassiz's classification, containing those with ctenoid scales. ΘΚΠ the world > animals > fish > parts of fish > [adjective] > having scales > of specific type lepidoid1836 cycloid1847 ganoid1847 ctenoid1851 1851 T. Wright & G. F. Richardson Introd. Geol. (new ed.) viii. 285 Four fifths of the fishes now living belong to the cycloid and ctenoid orders. B. n. A ctenoid fish. (Now disused.) ΘΚΠ the world > animals > fish > parts of fish > [noun] > scales or parts of > fish having > fish having projecting scales or ctenoid ctenoidean1836 ctenoid1847 1847 D. T. Ansted Anc. World x. 246 Two orders of Fishes..the Ctenoids and Cycloids. Derivatives cteˈnoidean adj. and n. = A. 2. ΘΚΠ the world > animals > fish > parts of fish > [noun] > scales or parts of > fish having > fish having projecting scales or ctenoid ctenoidean1836 ctenoid1847 1836 W. Buckland Geol. & Mineral. I. xiv. 270 (note) The Ctenoïdians have their scales jagged or pectinated, like the teeth of a comb. This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2022). < adj.n.1836
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