Definition of "terran"
terran
adjective
comparative more terran, superlative most terran
(chiefly science fiction, uncommon) Alternative letter-case form of Terran (“of or from Earth; terrestrial”)
Quotations
[…] dinitrogen does not have properties that would be considered as suitable for life from a terran perspective (Table 7.2).
2008, Dirk Schulze-Makuch, Louis Neal Irwin, Life in the Universe: Expectations and Constraints, Springer Science & Business Media, page 128
As they approached the steps the Klee-shaes could hear a terran favorite over the great building's Public Address system—it was Neil Young warbling Keep On Rocking In The Free World, but a Fartian host, misunderstanding the moment, transferred the track to Mollify.
2008, Ron Sanders, Legerdemainia, page 71
Hobbs' Street smelled odd, damp and sweet, but that wasn't due to the residents here but to an odd mutation of a terran honey fungus that had spread throughout the moon colony, running its mycelia through air vents, electrical ducting or […]
2014, Gardner Dozois, The Year's Best Science Fiction: Thirty-First Annual Collection, St. Martin's Griffin
The NASA engineer admiringly dubbed the complete project a “terran module,” comparing it favorably with the best thing yet developed in lunar modules. Bolan liked it, though he was a bit awed by the electronic capabilities of his new warwagon.
2014, Don Pendleton, New Orleans Knockout, Open Road Media