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teleost

[tel-ee-ost, tee-lee-]
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adjective
  1. belonging or pertaining to the Teleostei, a group of bony fishes including most living species.
noun
  1. Also called tel·e·o·stome [tel-ee-uh-stohm, tee-lee-] /ˈtɛl i əˌstoʊm, ˈti li-/. a teleost fish.
Sometimes tel·e·os·te·an [tel-ee-os-tee-uh n, tee-lee-] /ˌtɛl iˈɒs ti ən, ˌti li-/.

Origin of teleost

1860–65; < New Latin Teleostei infraclass name (designating fish with completely ossified skeletons), plural of teleosteus, equivalent to Greek tele- tele-2 + -osteos -boned, adj. derivative of ostéon bone; see osteo-, -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for teleost

teleost

noun
  1. any bony fish of the subclass Teleostei, having rayed fins and a swim bladder: the group contains most of the bony fishes, including the herrings, carps, eels, cod, perches, etc
adjective
  1. of, relating to, or belonging to the Teleostei

Word Origin

C19: from New Latin teleosteī (pl) creatures having complete skeletons, from Greek teleos complete + osteon bone
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

teleost in Science

teleost

[tĕlē-ŏst′, tēlē-]
  1. See bony fish.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.