noun
raw fibers; minute fibers
Technical term used in materials science, textiles, and biology for unprocessed or very fine fibers.
この素材は原繊維の状態で輸入される。
This material is imported in the form of raw fibers.
顕微鏡で見ると、原繊維が絡み合っているのがわかる。
Under a microscope, you can see the minute fibers intertwined.