(derogatory) a small oil-rich country in which institutions are weak and wealth and power are concentrated in the hands of a few


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  • Petrotympanic fissure

    petrotympanic fissure pet·ro·tym·pan·ic fissure (pět’rō-tĭm-pān’ĭk) n. A fissure between the tympanic and petrous portions of the temporal bone. Also called glaserian fissure.

  • Petrouchka

    [puh-troosh-kuh] /pəˈtruʃ kə/ noun 1. a ballet suite (1911) by Stravinsky.

  • Petrous

    [pe-truh s, pee-] /ˈpɛ trəs, ˈpi-/ adjective 1. Anatomy. noting or pertaining to the hard dense portion of the temporal bone, containing the internal auditory organs; petrosal. 2. like stone, especially in hardness; stony; rocky. /ˈpɛtrəs; ˈpiː-/ adjective 1. (anatomy) denoting the dense part of the temporal bone that surrounds the inner ear 2. (rare) […]

  • Petrous ganglion

    petrous ganglion n. The lower of two sensory ganglions on the glossopharyngeal nerve as it traverses the jugular foramen. Also called inferior ganglion of glossopharyngeal nerve.

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