Definition of invertebrate

Definitions

Adjective

lacking a backbone or spinal column; "worms are an example of invertebrate animals"

Noun

any animal lacking a backbone or notochord; the term is not used as a scientific classification

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spineless

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vertebrate

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animal animate being beast brute creature fauna

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arthropod borer brachiopod bryozoan cnidarian coelenterate comb jelly ctenophore echinoderm ectoproct entoproct lamp shell lampshell mollusc mollusk moss animal parazoan peanut worm phoronid polyzoan poriferan rotifer sea mat sea moss shellfish sipunculid sponge Symbion pandora woodborer worm zoophyte

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