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Meaning of invertebrate

in•ver•te•brate

Pronunciation: (in-vûr'tu-brit, -brāt"), [key]
— adj.
    1. not vertebrate; without a backbone.
    2. of or pertaining to creatures without a backbone.
  1. without strength of character.
—n.
  1. an invertebrate animal.
  2. a person who lacks strength of character.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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