protoplast Hear it!

protoplast definition

proto·plast (prōt′ə plast′)

noun

  1. a thing or being that is the first of its kind
  2. Biol. energid
  3. Bot. a unit of protoplasm, such as makes up a single cell exclusive of the cell wall

Etymology: Fr protoplaste < LL protoplastus < Gr protoplastos, formed first < protos, first (see proto-) + plastos, formed < plassein, to form: see plastic

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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