Definition
A composite material made from extremely thin strands of carbon, typically bonded together with a resin (usually epoxy) to form a lightweight, very strong, and stiff structural material used in aircraft airframes and components.
Plain English
A man-made material built from thin threads of carbon set in a hard glue. The result is light but very strong, which is why it's used to build parts of modern aircraft.
Context Anchor
Seen in aircraft construction, airframe descriptions, preflight inspection notes, and maintenance discussions about modern airplane structures.
Derivation
From 'carbon' (the chemical element used to make the strands) and 'fiber' (a thin thread or filament). The name describes exactly what it is: thread-like strands made of carbon.
Why Pilots Care
Carbon fiber parts make the aircraft lighter, improving performance and fuel efficiency, but they need different inspection and repair methods than traditional metal structures.
Analogy
Think of it as replacing heavy steel beams with the same strong, light material used in high-end fishing rods or bicycles.
Intuition Check
Carbon fiber does not mean loose fibers or simple cloth. In aircraft construction, it usually means carbon strands locked into a hard, shaped structure.
Example Sentence 1
The aircraft's wings are built from carbon fiber, making the airframe lighter than a comparable aluminum design.
Example Sentence 2
After the hard landing, the mechanic checked the carbon fiber fuselage for cracks or delamination.