terraform

T1E1R1R1A1F4O1R1M3
/ˈtɛɹəfɔː(ɹ)m/

verb

To transform the atmosphere (or biosphere) of another planet into one having the characteristics of Earth.

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UncommonScrabble 14

Meanings

verbterraform (third-person singular simple present terraforms, present participle terraforming, simple past and past participle terraformed)

present singular third person terraforms · participle present terraforming · participle past terraformed · past terraformed

  1. transitiveliteratureTo transform the atmosphere (or biosphere) of another planet into one having the characteristics of Earth.
    1 more example

    He had been the original claimant of Obania, forty years ago; and Drake was the young spatial engineer he employed to terraform the little rock, only two kilometers through—by sinking a shaft to its heart for the paragravity installation, generating oxygen and water from mineral oxides, releasing absorptive gases to trap the feeble heat of the far-off Sun.

    1942 July, Jack Williamson, “Collision Orbit”, in Astounding Science-Fiction, volume 29, number 5, page 82

    Synonyms: Earthscape

Synonyms & antonyms

verbTo transform the atmosphere (or biosphere) of another planet into one having the characteristics of Earth.

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Origin

From Terra (“planet Earth”) + -form (“having the form of”). Coined by American science fiction author Jack Williamson in 1942 as part of his novella Collision Orbit.

Full word history & related roots →

Translations

Finnish maankaltaistaa
  • maankaltaistaatransform into one having the characteristics of Earth
French terraformer
  • terraformertransform into one having the characteristics of Earth
German terraformen
  • terraformentransform into one having the characteristics of Earth
Hungarian terraformál, a Földhöz hasonlóvá tesz
  • terraformáltransform into one having the characteristics of Earth
  • a Földhöz hasonlóvá tesztransform into one having the characteristics of Earth
  • földiesíttransform into one having the characteristics of Earth
Japanese テラフォーミングする
  • テラフォーミングする (terafōmusuru)transform into one having the characteristics of Earth
Polish terraformować
  • terraformowaćtransform into one having the characteristics of Earth
Portuguese terraformar
  • terraformartransform into one having the characteristics of Earth
Spanish terraformar
  • terraformartransform into one having the characteristics of Earth
Swedish terraformera
  • terraformeratransform into one having the characteristics of Earth
Cite this entry
APA

terraform. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/terraform

MLA

“terraform.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/terraform. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “terraform,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/terraform.

Source: terraform on Wiktionary, CC BY-SA 4.0.