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English definition of “fiber”


noun [C/U] (MATERIAL)   /ˈfɑɪ·bər/
any of the thin parts like thread that form plant or artificial material, esp. those that can be made into cloth, or a mass of such parts twisted together: [C] Police detectives found cloth fibers at the crime scene that matched those from the coat the suspect was wearing. Fiber can also refer to thin, strong structures that connect the body: [U] muscle fiber
(Definition of fiber noun (MATERIAL) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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