Read Edit View history 沥青岩 lìqīngyán pitchstone Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 沥青岩/ 瀝青岩 lìqīngyán pitchstone a volcanic glass with a dull, pitch-like luster Edit Delete 沥青岩/ 瀝青岩 lìqīngyán asphaltite a hard, solid form of naturally occurring bitumen Edit Delete References Add reference No references for this word.