from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To shape or form beforehand.
  • transitive v. To determine the shape or form of beforehand.
  • n. An object that has been subjected to preliminary, usually incomplete shaping or molding before undergoing complete or final processing.
  • n. Linguistics A reconstructed ancestral word or form.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An object that has undergone preliminary shaping but is not yet in its final form.
  • n. The rough, incomplete and unused basic form of a stone tool.
  • n. A word that is no longer in use, but has been reconstructed from current ones.
  • v. To shape something before some other operation.
  • v. Common misspelling of perform.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To form beforehand, or for special ends.

from The Century Dictionary and Cyclopedia

  • To form beforehand; execute or create previously.
  • In biology, to determine beforehand the shape or form of; furnish the mold or model of (something afterward to take shape): as, bone preformed in cartilage; the fetal skeleton preforms that of the adult.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. form or shape beforehand or determine the shape of beforehand
  • v. form into a shape resembling the final, desired one


From pre- +‎ form. (Wiktionary)



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