petrogenyyoudaoicibaDictYouDict[petrogeny 词源字典]
"= petrogenesis. Frequently in petrogeny's residua system, a liquid system consisting of the molten oxides of aluminium, sodium, potassium, and silicon which are the chief components of igneous rocks", Late 19th cent.; earliest use found in Jethro Teall (1849–1924), geologist. From petro- + -geny.[petrogeny etymology, petrogeny origin, 英语词源]