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Meaning of invariant

in•var•i•ant

Pronunciation: (in-vâr'ē-unt), [key]
— adj.
  1. unvarying; invariable; constant.
  2. normal (def. 5e).
—n.
  1. a quantity or expression that is constant throughout a certain range of conditions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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