Define earth-like?

Question

Define earth-like?

Answer 1

earthlike means of having an atmosphere similar to ours that can support life,

and possibally containing soil that can support plant-like life and also water.

Answer 2

Has a defined atmosphere.

Has water.

Has rocky surface (terrestrial).

Has elements and minerals.

Has an active magnetic core.

Answer 3

As in earth-like atmosphere? Its all relative, an earthlike atmosphere will contain Nitrogen Oxygen some hydrocarbons like CH4 etc... An earth-like planet may have similar atmosphere, similar temps... Its all relative.

Answer 4

Earth-like: a planet with between twice and 1/2 earth gravity, and where temperatures in most places  cycle around  the freezing point of water.  Also, it should have an atmosphere with between (say) 50% to 2% oxygen.