Word.ws English Dictionary

Orosirian

Orosirian adjective: of a geologic period within the Paleoproterozoic era from about 2050 to 1800 million years ago.

Adjective

Orosirian (not comparable)

  1. Of a geologic period within the Paleoproterozoic era from about 2050 to 1800 million years ago.

Proper noun

Orosirian

  1. The Orosirian period.

Questions about Orosirian

What does Orosirian mean?
Orosirian means of a geologic period within the Paleoproterozoic era from about 2050 to 1800 million years ago.
What part of speech is Orosirian?
Orosirian can be an adjective or a proper noun.

Words near Orosirian in the dictionary

  1. orosensation
  2. orosensations
  3. orosensory
  4. Orosi
  5. Orosian
  6. Orosirian
  7. Oroslav
  8. Oroslavlje
  9. orosomucoid
  10. orosomucoids
  11. orosphere

Source and license

Adapted from Wiktionary: Orosirian (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: “Orosirian.” Word.ws, https://word.ws/orosirian. Based on Wiktionary, CC BY-SA 4.0.