What does 繊維 mean?
繊維 is a Japanese noun meaning “fiber, fiber, textile” in English. It is written as 繊維 in kanji, せんい in hiragana, and sen'i in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
マイクロファイバークロスは、髪の毛の１００分の１という細さの繊維で編みあげられたクロスです。
Microfibre cloth is cloth woven from fibres as narrow as a hundredth of the width of a hair.