Petrochemical
[pe-troh-kem-i-kuh l] /ˌpɛ troʊˈkɛm ɪ kəl/
noun
1.
a substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
adjective
2.
of or relating to petrochemistry or a petrochemical.
/ˌpɛtrəʊˈkɛmɪkəl/
noun
1.
any substance, such as acetone or ethanol, obtained from petroleum or natural gas
adjective
2.
of, concerned with, or obtained from petrochemicals or related to petrochemistry
adj.
1913, from petro- (1) + chemical (adj.). As a noun from 1942.
petrochemical
(pět’rō-kěm’ĭ-kəl)
Any of a large number of chemicals made from petroleum or natural gas. Important petrochemicals include benzene, ammonia, acetylene, and polystyrene. Petrochemicals are used to produce a wide variety of materials, such as plastics, explosives, fertilizers, and synthetic fibers.
petrochemical [(pet-roh-kem-i-kuhl)]
Any material made from substances found in oil or natural gas. Most plastics are petrochemicals.
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[pe-troh-kem-uh-stree] /ˌpɛ troʊˈkɛm ə stri/ noun 1. the branch of chemistry dealing with petroleum or its products. 2. the chemistry of rocks. /ˌpɛtrəʊˈkɛmɪstrɪ/ noun 1. the chemistry of petroleum and its derivatives 2. the branch of chemistry concerned with the chemical composition of rocks
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[pe-troh-dol-erz] /ˈpɛ troʊˌdɒl ərz/ plural noun 1. surplus revenues in dollars accumulated by petroleum-exporting countries, as those of the Middle East, especially when then used for foreign loans or investments. /ˈpɛtrəʊˌdɒlə/ noun 1. money, paid in dollars, earned by a country for the exporting of petroleum noun a unit representing money earned by a petroleum-producing […]
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[pe-troh-dol-erz] /ˈpɛ troʊˌdɒl ərz/ plural noun 1. surplus revenues in dollars accumulated by petroleum-exporting countries, as those of the Middle East, especially when then used for foreign loans or investments.
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1. . abbreviation 1. petrography petrography
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[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.