Word.ws English Dictionary

Siderian

Syllables: Si·der·i·an/saɪˈdɪəri.ən

Siderian adjective: of a geologic period within the Paleoproterozoic era from about 2500 to 2300 million years ago.

Adjective

Siderian (comparative more Siderian, superlative most Siderian)

  1. Of a geologic period within the Paleoproterozoic era from about 2500 to 2300 million years ago.

Proper noun

Siderian

  1. The Siderian period.

Forms of Siderian

comparativemore Siderian
superlativemost Siderian

Origin of Siderian

From Greek sideros.

Questions about Siderian

What does Siderian mean?
Siderian means of a geologic period within the Paleoproterozoic era from about 2500 to 2300 million years ago.
What part of speech is Siderian?
Siderian can be an adjective or a proper noun.
How do you pronounce Siderian?
Siderian is pronounced /saɪˈdɪəri.ən.

Words near Siderian in the dictionary

  1. siderealizes
  2. siderealizing
  3. sidereally
  4. sideremia
  5. sidereous
  6. Siderian
  7. siderin
  8. Siderio
  9. Siderios
  10. Sideris
  11. Siderises

Source and license

Adapted from Wiktionary: Siderian (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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