灰土 huītǔ dust Origin Definitions Defs Strokes Stroke Words Sentences Sents 泥灰土 níhuītǔ marl soil consisting of a mixture of clay and lime火山灰土 huǒshānhuītǔ andosol andosol; a type of dark soil formed from volcanic ash面如灰土 miànrúhuītǔ ashen-faced (idiom) to look as pale as dust or ash, usually describing someone who is extremely frightened or shocked