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Meaning of undissociated

un•dis•so•ci•at•ed

Pronunciation: (un"di-sō'shē-ā"tid, -sē-ā"-), [key]
— adj. Chem.
  1. not dissociated, esp. into ions or into simpler molecules.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.