Standard Lemma guide

petro-

prefix · 4 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

prefix

Meaning 1

stone

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

prefix

Meaning 2

petroleum

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

prefix

Meaning 3

oil export, sometimes as a source of funding

Definition source: English Wiktionary via Wiktextract

Usage: morpheme, neologism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

prefix

Meaning 4

petrous

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Pre-Greekder.? Ancient Greek πέτρᾱ (pétrā)bor. Latin petrader. English petro- * From Latin petra (“stone, rock”), from Ancient Greek πέτρα (pétra, “stone, rock”). * Clipping of petroleum.

Across languages

Translations

8 source translations are retained for this English entry.

  • Irish: peitri- — stone
  • Portuguese: petro- — stone
  • Serbo-Croatian: petr- — stone
  • Serbo-Croatian: petri- — stone
  • Serbo-Croatian: petro- — stone
  • Irish: peitri- — petroleum
  • Portuguese: petro- — petroleum
  • Portuguese: petro- — oil export