Standard Lemma guide

petrous

adj · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

adj

Meaning 1

Resembling rock or stone in its hardness.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Of the dense portion of the temporal bone that protects the inner ear.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

(of bone especially the temporal bone) resembling stone in hardness

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: stonelike

Antonyms: none provided

History

Etymology

From Middle English, borrowed from Middle French petreux, from Latin petrōsus, from petra, from Ancient Greek πέτρα (pétra).

Across languages

Translations

3 source translations are retained for this English entry.

  • Bulgarian: на слепоочието (na slepoočieto) — anatomy: of the dense portion of the temporal bone
  • Polish: twardy — anatomy: of the dense portion of the temporal bone
  • Spanish: petroso — anatomy: of the dense portion of the temporal bone