petrogenic

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English[edit]

Etymology 1[edit]

Ancient Greek πέτρος (pétros, rock) + -genic

Adjective[edit]

petrogenic (not comparable)

  1. Of or pertaining to the formation of rock

Etymology 2[edit]

petrol + -genic

Adjective[edit]

petrogenic (not comparable)

  1. (of hydrocarbons etc) Produced by the incomplete combustion of petroleum