Read Edit View history 油母页岩 yóumǔyèyán oil shale Origin Definitions Defs Strokes Stroke Words Sentences Sents 油母页岩 油母頁岩 yóumǔyèyán oil shale A type of shale containing combustible organic material; it is light to dark brown and can be split into thin layers to extract shale oil. Frequency Written text 0.053 per million Cross-References Same as 油页岩 yóuyèyán Sources Frequency data BCC Corpus (BLCU)
油母页岩 油母頁岩 yóumǔyèyán oil shale A type of shale containing combustible organic material; it is light to dark brown and can be split into thin layers to extract shale oil. Frequency Written text 0.053 per million Cross-References Same as 油页岩 yóuyèyán Sources Frequency data BCC Corpus (BLCU)