| PETRARIES | • petraries n. Plural of petrary. • PETRARY n. a contrivance for hurling stones. |
| PETRICHOR | • petrichor n. The distinctive scent, caused by geosmin, which accompanies the first rain after a long, warm, dry spell. • petrichor n. The yellow organic oil that yields this scent. • PETRICHOR n. a sweet smell that is produced when rain falls on parched earth. |
| PETRIFIED | • petrified adj. Having undergone the process of petrification (transformation into a stony substance). • petrified adj. Extremely afraid. • petrified v. Simple past tense and past participle of petrify. |
| PETRIFIER | • petrifier n. Person or other object that petrifies, either literally or figuratively. • PETRIFIER n. an agent that petrifies. |
| PETRIFIES | • petrifies v. Third-person singular simple present indicative form of petrify. • PETRIFY v. to convert into a stony substance. |
| PETROGENY | • petrogeny n. The science of the origin of rocks. • PETROGENY n. the study of the origin of rocks. |
| PETROGRAM | • petrogram n. (Archaeology) A painting on rock, especially one made in prehistoric times. • PETROGRAM n. a picture on stone. |
| PETROLAGE | • PETROLAGE n. treatment with petrol to stamp out mosquitoes. |
| PETROLEUM | • petroleum n. A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons… • PETROLEUM n. a general term including both oil and natural gas. |
| PETROLEUR | • petroleur n. One who lights fires with petrol, especially (historical) a revolutionary who attacked public buildings… • PETROLEUR n. (French) a rioter who uses petroleum, as in the Paris uprising of 1871. |
| PETROLLED | • PETROL v. to supply with petrol (gasoline). |
| PETROLOGY | • petrology n. (Geology) The study of the origin, composition and structure of rock. • PETROLOGY n. the geological study of rocks. |
| PETRONELS | • petronels n. Plural of petronel. • PETRONEL n. a sort of hand cannon, or portable firearm, used in France in the 15th century. |
| PETROSALS | • petrosals n. Plural of petrosal. • PETROSAL n. the stony part of the temporal bone around the inner ear. |