Word.ws English Dictionary

petro-

petro- prefix: stone.

Prefix

petro-

  1. stone
  2. petroleum
  3. (neologism) oil export, sometimes as a source of funding
  4. petrous

Origin of petro-

* From Latin petra (“stone, rock”), from Ancient Greek πέτρα (pétra, “stone, rock”). * Clipping of petroleum.

Questions about petro-

What does petro- mean?
Petro- means stone.
What part of speech is petro-?
Petro- is a prefix.

Words near petro- in the dictionary

  1. petrissages
  2. Petrizzo
  3. Petrizzos
  4. Petriș
  5. petro
  6. petro-
  7. petro-dictator
  8. petro-dictators
  9. petro-dictatorship
  10. petro-dictatorships
  11. petrobactin

Source and license

Adapted from Wiktionary: petro- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “petro-.” Word.ws, https://word.ws/petro-. Based on Wiktionary, CC BY-SA 4.0.