One of the mysteries of the English language finally explained.
A fibrous material preimpregnated with a particular synthetic resin, used in making reinforced plastics.
- ‘Unidirectional tape is more expensive than aluminum and more difficult to lay up than a woven prepreg.’
- ‘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.’
- ‘The outer panel is based on a unidirectional prepreg tape.’
1950s: from pre- ‘before’ + ( im)preg(nated).
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