Definitions
from The Century Dictionary.
- In geology, relating to the origin of rocks in general or of special masses.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Of or pertaining to the formation of
rock - adjective of hydrocarbons, etc. Produced by the incomplete
combustion ofpetroleum
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Ancient Greek πέτρος (petros, "rock") + -genic
from Wiktionary, Creative Commons Attribution/Share-Alike License
petrol + -genic
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Examples
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