- to alter the environment of (a celestial body) in order to make capable of supporting terrestrial life forms.
Origin of terraform
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- planetary engineering designed to enhance the capacity of an extraterrestrial planetary environment to sustain life
C20: from Latin terra earth + forming
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012