carbon fiber

American  

noun

1. a strong, stiff, thin fiber of nearly pure carbon, made by subjecting various organic raw materials to high temperatures, combined with synthetic resins to produce a strong, lightweight material used in construction of aircraft and spacecraft.

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carbon fiber Scientific  

1. An extremely strong, thin fiber, consisting of long, chainlike molecules of pure carbon that are made by charring synthetic fibers such as rayon in the absence of oxygen. Carbon fibers are used in high-strength composite materials in aircraft, automobiles, architectural structures, and in other applications where light materials capable of withstanding high stress are required.

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Example Sentences

The improvement came primarily from reducing the shoe’s weight by 30% to 3.4 ounces for a men’s size 9 by re-engineering carbon fiber and foam.

From Los Angeles Times • Apr. 27, 2026

There is so much demand for these hunks of carbon fiber that bats have entered the stratosphere of products known in the retail industry as “high heat.”

From The Wall Street Journal • Mar. 14, 2026

Also on Citrini’s list of key materials are aluminum, carbon fiber, and electrical steel.

From MarketWatch • Feb. 12, 2026

Many athletes already buy carbon fiber insoles for $25 to $150 a pair.

From Barron's • Jan. 16, 2026

The controls and dashboard were black-and-gray carbon fiber except for a cherry-red start button.

From "Millionaires for the Month" by Stacey McAnulty