List of 12-letter words beginning with

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There are 13 twelve-letter words beginning with PETR

PETRIFACTION	• petrifaction n. Petrification. • petrifaction n. An object that has become petrified. • petrifaction n. The condition of being petrified.
PETRIFACTIVE	• petrifactive adj. Having the quality of converting organic matter into stone; petrifying. • petrifactive adj. Pertaining to, or characterized by, petrifaction. • PETRIFACTIVE adj. petrifying, also PETRIFIC.
PETROCHEMIST	• petrochemist n. One who studies or works in petrochemistry. • PETROCHEMIST n. someone who studies petrochemistry or works in the petrochemical industry.
PETRODOLLARS	• petrodollars n. Plural of petrodollar. • petrodollars n. Money earned through the sale of petroleum. • PETRODOLLAR n. a dollar's worth of foreign exchange obtained by a petroleum exporting country through sales abroad.
PETROGENESES	• petrogeneses n. Plural of petrogenesis. • PETROGENESIS n. formation or development of rocks.
PETROGENESIS	• petrogenesis n. The branch of petrology dealing with the origin of igneous rocks. • PETROGENESIS n. formation or development of rocks.
PETROGENETIC	• petrogenetic adj. (Geology) Of or pertaining to petrogenesis, the creation of new rock. • PETROGENETIC adj. relating to petrogenesis.
PETROGLYPHIC	• petroglyphic adj. Of or pertaining to petroglyphy. • PETROGLYPHIC adj. of or like a petroglyph, an ancient rock-carving.
PETROGRAPHER	• petrographer n. A person practicing petrography. • PETROGRAPHER n. a practitioner of petrography.
PETROGRAPHIC	• petrographic adj. Relating to petrographs. • petrographic adj. Relating to petrography. • PETROGRAPHIC adj. relating to petrography, also PETROGRAPHICAL.
PETROLOGICAL	• petrological adj. Of or pertaining to petrology, the study of rock formation and composition. • PETROLOGICAL adj. relating to petrology, also PETROLOGIC.
PETROLOGISTS	• petrologists n. Plural of petrologist. • PETROLOGIST n. a student of petrology, the geological study of rocks.
PETROPHYSICS	• petrophysics n. (Geology, physics) The physics of rock, especially rock that acts as a reservoir for petroleum or other fluids. • PETROPHYSICS n. that branch of physics relating to the physical properties of rocks.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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English Wiktionary: 49 words
Scrabble in French: 32 words
Scrabble in Spanish: 34 words
Scrabble in Italian: 29 words
Scrabble in German: no word
Scrabble in Romanian: 61 words

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