| petr | a semi-solid mixture of hydrocarbons obtained from petroleum |
|---|---|
| petr | gauze saturated with petrolatum |
| petr | a dark oil consisting mainly of hydrocarbons |
| petr | petroleum bought or sold at an agreed price for delivery at a specified future date |
| petr | a specialist in petroleum geology |
| petr | the branch of economic geology that deals with the occurrence and exploitation of oil and gas fields |
| petr | a semi-solid mixture of hydrocarbons obtained from petroleum |
| petr | a refinery for petroleum |
| petr | the branch of geology that studies rocks: their origin and formation and composition |
| petr | typical lampreys |
| petr | large anadromous lamprey sometimes used as food |
| petr | lampreys as distinguished from hagfishes |