# terraform

> English word · Verb · IPA /ˈtɛɹəfɔː(ɹ)m/ · frequency rank #96,564

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

## Etymology
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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/terraform