petrotympanic fissure pet·ro·tym·pan·ic fissure (pět’rō-tĭm-pān’ĭk)
A fissure between the tympanic and petrous portions of the temporal bone. Also called glaserian fissure.
[puh-troosh-kuh] /pəˈtruʃ kə/ noun 1. a ballet suite (1911) by Stravinsky.
[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.
- Petite syrah
noun a variety of California red wine grape; also, the red wine made from it; also spelled petit Sirah Examples The Petite Sirah grape is also used as a blending grape to give a little more zest and complexity to other red wines.