膨润土 / 膨潤土

péng​rùn​tǔ

bentonite

bentonite; a type of absorbent clay used in industry and drilling

膨 (literal) → 膨 · péng · to expand 润 (literal) → 润/潤 · rùn · to moisten 土 (literal) → 土 · tǔ · soil

Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition

created sense May 20, 2026, 07:58 PM