petrogenic1
/ˌpɛtrə(ʊ)ˈdʒɛnɪk/Geology
adjective
Of or relating to petrogeny; = petrogenetic.
Origin
Early 20th century; earliest use found in American Journal of Science. From petro- + -genic, after petrogeny.
petrogenic2
/ˌpɛtrə(ʊ)ˈdʒɛnɪk/adjective
Relating to or denoting hydrocarbons (such as those in petroleum), formed by the decomposition of organic matter by processes occurring in sediments at elevated temperatures and pressures.
Origin
1970s. From petro- + -genic.
- cat's eye
- catseye
- cat's foot
- cat shark
- cat-sit
- cat-sitter
- cat-sitting
- Catskill Mountains
- cat's paw
- pocket-picking
- pocket-piece
- pocket pistol
- pocket plum
- pocket pool
- pocket protector
- pocket rocket
- pocket rot
- pocket-size
- pocket-sized
- pocket stay
- pocket T
- pocketta-pocketta
- pocket tee
- pocket T-shirt
- pocketty