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1. Relating to or being a kind of fish scale that is hard and bony with a shiny surface composed of an enamel-like substance.
2. Having ganoid scales.
A fish having ganoid scales, such as a gar or sturgeon.
[From New Latin Ganoideī, former subclass name, from Greek ganos, brightness, gladness (in reference to the shiny scales of the fish included in the subclass), from ganusthai, to rejoice; see gāu- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Zoology) (of the scales of certain fishes) consisting of an inner bony layer and an outer layer of an enamel-like substance (ganoin)
2. (Zoology) denoting fishes, including the sturgeon and bowfin, having such scales
(Zoology) a ganoid fish
[C19: from French ganoïde, from Greek ganos brightness + -oid]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. of or pertaining to a group of mostly extinct archaic fishes characterized by bony enamellike scales: living representatives include the bowfins, gars, and sturgeons.n.
2. a ganoid fish.
[1830–40; < French ganoïde < Greek gán(os) brightness + -oïde -oid]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||ganoid - primitive fishes having thick bony scales with a shiny covering|
Ganoidei, order Ganoidei - a group of mostly extinct primitive bony fishes characterized by armor-like bony scales
Amia calva, bowfin, dogfish, grindle - primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
duckbill, paddlefish, Polyodon spathula - primitive fish of the Mississippi valley having a long paddle-shaped snout
Chinese paddlefish, Psephurus gladis - fish of larger rivers of China similar to the Mississippi paddlefish
sturgeon - large primitive fishes valued for their flesh and roe; widely distributed in the North Temperate Zone
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