Abbreviation of 合成繊維 (ごうせいせんい). Used in technical, industrial, and news contexts.
See also: 合成繊維
This shirt is made of synthetic fiber.
This jacket is made of synthetic fiber.
A synthetic fiber manufacturer announced a new material.
That company is a major synthetic fiber manufacturer.
This sweater is made by blending natural and synthetic fibers.
天然繊維 (natural fiber, e.g. cotton or wool) is the opposite of 合繊 (synthetic fiber made from chemical processes).
合繊 refers to synthetic fiber used in textiles, while 合皮 refers to synthetic (faux) leather, not fiber.
Abbreviation of 合成繊維 (ごうせいせんい, 'synthetic fiber'), formed by taking the first kanji of each component.