Share this entry
prepreg Line breaks: pre|preg
Pronunciation: /ˈpriːprɛɡ/

Definition of prepreg in English:


[mass noun]
A fibrous material pre-impregnated with a particular synthetic resin, used in making reinforced plastics.
Example sentences
  • Even construction is now mostly metal, although the airframe retains some prepreg carbon-fiber materials.
  • Unlike some of the prepreg materials ordinarily used in composite processes, what they're using is a material that's like a fabric at room temperature.
  • Unidirectional tape is more expensive than aluminum and more difficult to lay up than a woven prepreg.


1950s: from pre- 'before' + (im)preg(nated).

Definition of prepreg in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources