[pe-troh-dol-erz] /ˈpɛ troʊˌdɒl ərz/
surplus revenues in dollars accumulated by petroleum-exporting countries, as those of the Middle East, especially when then used for foreign loans or investments.
1. . abbreviation 1. petrography petrography
[pe-troh-jen-uh-sis] /ˌpɛ troʊˈdʒɛn ə sɪs/ noun 1. the branch of petrology dealing with the origin and formation of rocks. 2. the origin and formation of rocks. petrogenesis (pět’rō-jěn’ĭ-sĭs) The branch of petrology that deals with the origin and formation of rocks, especially igneous rocks.
[pe-truh-glif] /ˈpɛ trəˌglɪf/ noun 1. a drawing or carving on rock, made by a member of a prehistoric people. /ˈpɛtrəˌɡlɪf/ noun 1. a drawing or carving on rock, esp a prehistoric one n. 1870, from French pétroglyphe, from Greek petra “rock” (see petrous) + glyphe “carving” (see glyph).