invertebrate [in- vur-t uh-brit, -breyt] adjective . Zoology not vertebrate; without a backbone. of or relating to creatures without a backbone. without strength of character. noun an invertebrate animal. a person who lacks strength of character. Origin of invertebrate
dating back to
vertebrate Related forms in·ver·te·bra·cy , [in- vur-t uh-br uh-see] /ɪnˈvɜr tə brə si/ in·ver·te·brate·ness, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for invertebrate wimp
shirker Examples from the Web for invertebrate Historical Examples of invertebrate British Dictionary definitions for invertebrate noun any animal lacking a backbone, including all species not classified as vertebrates adjective Also: in'vertebral of, relating to, or designating invertebrates
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for invertebrate n.
1826, from Latin
in- "not" (see in- (1)) + vertebra "joint" (see vertebra). Invertebrata as a biological classification was coined 1805 by French naturalist Georges Léopole Chrétien Frédéric Dagobert, Baron Cuvier (1769-1832). As an adjective by 1838.
Online Etymology Dictionary, © 2010 Douglas Harper
invertebrate [ĭn-vûr ′tə-brĭt, -brāt′] adj. Lacking a backbone or spinal column; not vertebrate. Of or relating to invertebrates. n. An animal, such as an insect or a mollusk, that lacks a backbone or spinal column.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Adjective Having no backbone or spinal column. Noun An animal that has no backbone or spinal column and therefore does not belong to the subphylum Vertebrata of the phylum Chordata. Most animals are invertebrates. Corals, insects, worms, jellyfish, starfish, and snails are invertebrates.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.