The Collaborative International Dictionary
Wiktionary
a. Of a planet, resembling the Earth.
WordNet
adj. earth colored; having a color of soil or earth; "a range of earthlike colors"
resembling or characteristic of earth; "earthlike atmosphere"
Usage examples of "earthlike".
The biota of Mingulay, like that of all the other Earthlike planets of the Second Sphere, shared a common terrestrial ancestry but had, over megayears, diverged in unique and interesting ways.
Small wonder that this pastoral planet, with its earthlike atmosphere, its slightly-less-than-Earth gravity presented such a desirable Eden.
In Earthlike conditions, the worlds of baryonic and dark matter slid through and past each other, all but unaware, like colonies of ghosts from different millennia.
The colour scheme was a cool Earthlike blue, and the lighting was designed to provide plenty of up-down clues.
Rumours ranged to the implausible and unlikely but most accounts agreed that Ambrosia's parameters made it the most Earthlike planet ever discovered by the EEC.
Not only was it Earthlike but the rest of the system duplicated roughly the pattern of the Solar System-small terrestrial planets near this sun, large Jovian planets farther out.
That world, in an Earthlike orbit around a type G yellow dwarf, must have a surface temperature of around five hundred degrees Fahrenheit.