se pétrifier, v.r., to petrify, to turn into stone.
pétrin, n.m., kneading-trough; scrape, hobble, pickle; hot-water. Se mettre dans le —; to get into hot-water, into a scrape. Un — impossible; terrible, indescribable disorder, confusion.
pétrir, v.a., to knead, to mold, to form.
pétrissable, adj., that can be kneaded; (fig.) yielding, pliant, submissive, obedient, easily led.
pétrissage, n.m., kneading, working, forming.
pétrisseur, n.m., -se, n.f., kneader, journeyman-baker. — mécanique; kneading machine.
pétrole, n.m., petroleum, rock-oil.
pétroleu-r, n.m., -se, n.f., miscreant who commits arson by means of petroleum (as in France under the Commune).
pétrosilex (-lèks), n.m., (min.) petrosilex.
in petto (i-n pèt-to), adv., in petto, secretly, inwardly.