Plain English Meaning
A tough, lightweight cloth made from very strong synthetic fibers. Aircraft builders soak it in a resin and let it harden, creating parts that are light but very hard to tear or puncture.
Full Definition
A fabric woven from Kevlar™ aramid fibers, used in aircraft composite construction as a reinforcement material. It is layered with a resin (such as epoxy) to form composite parts that are lightweight, strong in tension, and highly resistant to impact and abrasion.
Context Anchor
Seen in composite aircraft construction and repair discussions, especially when describing the fabric layers used to build or strengthen a part.
Derivation
Kevlar™ is a registered trademark of DuPont for a of developed in the 1960s. The name itself was coined by DuPont and has no everyday meaning; ‘cloth’ simply refers to the woven fabric form of the fiber. Knowing it is a trademarked brand (like Velcro™) helps why it is always capitalized and trademarked in texts.