Read Edit View history 灰岩 huīyán limestone Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 灰岩 huīyán limestone limestone; a type of sedimentary rock Edit Delete References Add reference abbreviation 灰岩/灰岩 → 石灰岩/石灰岩 Edit Delete classifier 灰岩/灰岩 → 块/塊 Edit Delete