First Known Use: 1901
Dictionary
petrogenesis
noun pet·ro·gen·e·sis \ˌpe-trō-ˈje-nə-səs\
Definition of PETROGENESIS
: the origin or formation of rocks
— pet·ro·ge·net·ic \-jə-ˈne-tik\ adjective
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Origin of PETROGENESIS
New Latin
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