Index of English words, starting with "pe"

(1) - Petrologically (adv.) According to petrology.

(1) - Petrologist (n.) One who is versed in petrology.

(1) - Petrology (n.) A treatise on petrology.
(2) - Petrology (n.) The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.

(1) - Petronel (n.) A sort of hand cannon, or portable firearm, used in France in the 15th century.