terraformPronunciation: /ˈtɛrəfɔːm/Definition of terraform verb [with object] (especially in science fiction) transform (a planet) so as to resemble the earth, especially so that it can support human life: that wild idea to use comets to terraform Venus (as noun terraforming)the terraforming of MarsDerivatives terraformer noun Origin: 1940s: from Latin terra 'earth' + the verb formterraform in other Oxford dictionaries Definition of terraform in the US English dictionary
