petrosal

From Latin petrōsus (“full of rocks, rocky”) +‎ -al.

• (Received Pronunciation) IPA^(key): /pɪˈtɹəʊ.səl/, /pɪˈtɹəʊ.sl̩/
• (General American) IPA^(key): /pəˈtɹoʊ.səl/
• Rhymes: -əʊsəl

petrosal (not comparable)

1. Of great hardness; petrous.
2. (anatomy, relational) Of, pertaining to, or located near the petrous part of the temporal bone or the capsule of the inner ear.

• petrous

petrosal (plural petrosals)

1. (anatomy) The petrous part of the temporal bone at the base of the skull, surrounding the inner ear.
2. (anatomy, zootomy) The auditory capsule.
   • 1866, Richard Owen, Anatomy of Vertebrates:

     midal-shaped petrosal of mammals and bird

• petrosectomy

• “petrosal”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “petrosal”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

• LaPortes, Laportes, Plateros, Pole Star, Portales, Portelas, patroles, pole star, polestar, portsale, prolates