Kanji 分 part, minute of time, segment 子 child, sign of the rat, 11PM-1AM Related words 高こう 分ぶん 子し 高分子 refers to macromolecules or high polymers in general, while 高分子材料 specifically denotes materials made from such polymers.
プラスチック プラスチック is a common everyday term for plastic, a subset of polymeric materials. 高分子材料 is a broader, more technical term.
Etymology Compound of 高分子 (kōbunshi, 'macromolecule, polymer') and 材料 (zairyō, 'material'). The exact historical derivation is uncertain; the term follows standard Sino-Japanese word formation patterns.
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