ganoid

[ gan-oid ]

/ ˈgæn ɔɪd /

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adjective

of or relating to the Ganoidei, a group of mostly extinct fishes characterized by hard, bony scales, the living species of which include the paddlefishes, sturgeons, and gars.

(of the scale of a fish) having a smooth, shiny surface of ganoin or a similar substance.

noun

a ganoid fish.

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Origin of ganoid

1830–40; <French ganoïde<Greek gán(os) brightness + -oïde-oid

OTHER WORDS FROM ganoid

sub·gan·oid, adjective

Words nearby ganoid

ganja, gank, gannet, Gannett, ganof, ganoid, ganoin, Ganser's syndrome, Gansevoort, gansey, Gansu

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use ganoid in a sentence

Asterolepis, a genus of primitive ganoid fishes, found only in a fossil state in the Old Red Sandstone.
The New Gresham Encyclopedia. Vol. 1 Part 2|Various
There are no doubt some points which require further elucidation amongst the Ganoid and Osseous fishes.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
Pterichthys, ter-ik′this, n. a genus of fossil ganoid fishes in the Old Red Sandstone strata, with wing-like pectoral fins.
Chambers's Twentieth Century Dictionary (part 3 of 4: N-R)|Various
There are seven living kinds of ganoid fish and all are found in fresh water.
Fast Nine|Alan Douglas

From these primitive fishes were evolved higher fishes of the ganoid type and others of the type of Lepidosiren (Dipneusta).
Evolution in Modern Thought|Ernst Haeckel

British Dictionary definitions for ganoid

ganoid

/ (ˈɡænɔɪd) /

adjective

(of the scales of certain fishes) consisting of an inner bony layer and an outer layer of an enamel-like substance (ganoin)

denoting fishes, including the sturgeon and bowfin, having such scales

noun

a ganoid fish

Word Origin for ganoid

C19: from French ganoïde, from Greek ganos brightness + -oid

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012