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preform

[v. pree-fawrm; n. pree-fawrm] /v. ˈpriˈfɔrm; n. ˈpriˌfɔrm/
verb (used with object)
1.
to form beforehand.
2.
to determine or decide beforehand:
to preform an opinion.
3.
to shape or fashion beforehand:
to preform a mold.
noun
4.
biscuit (def 5).
5.
any of various uncompleted objects of manufacture after preliminary shaping.
Origin
1595-1605
1595-1605; < Latin praefōrmāre. See pre-, form
Related forms
nonpreformed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for preform
  • The fibrous preform is positioned within a furnace inside a water-cooled metal holder.
  • The metal holder cools the bottom and side surfaces of the preform to prevent deposition there.
  • The result is a porous structure called a preform structure, which is removed from the mold.
  • They had also located an old preform with an air line.
  • preform appropriate safety practices when using hand and power tools and equipment.
  • preform processing includes cleaning and etching the substrate tube and the finished preform.

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