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Showing results for petrous. Search instead for petros.
Definitions

petrous

[pe-truhs, pee-] / ˈpɛ trəs, ˈpi- /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To investigate further, scientists extracted ancient DNA from the petrous portion of the temporal bone in both skeletons, an area known for preserving genetic material.

From Science Daily • Feb. 17, 2026

Researchers targeted DNA stored in the petrous, a very dense bone that envelopes the inner ear.

From New York Times • May 26, 2022

The researchers located ancient DNA in their petrous bones—dense inner ear bones that preserve genetic material particularly well—but only managed to successfully retrieve a complete genome from the man.

From Science Magazine • May 26, 2022

Some laboratories have used microCT scanning, both to preserve data from petrous bone, and to guide their drilling to minimize destruction of the specimen11.

From Nature • Aug. 27, 2019

A bond of attraction has brought them together, and through this cohesion of ingredients this petrous object has been formed.

From The Promulgation of Universal Peace by `Abdu'l-Bahá