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protoplasm: Meaning and Definition of

pro•to•plasm

Pronunciation: (pr?'tu-plaz"um), [key]
? n.
  1. (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
  2. the living matter of organisms regarded as the physical basis of life, having the ability to sense and conduct stimuli.
Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease.
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