繊せん維いせんいCommon wordJLPTN1Freq.FrequencyTop 10,000Meanings1nounfiber; fibreGeneral term for natural or synthetic fibers; also used in medical contexts with the spelling 線維.この布ぬのは天てん然ねん繊せん維いでできている。This cloth is made of natural fibers.炭たん素そ繊せん維いはとても軽かるくて強つよ