Expletive used for emphasis after an interrogative word.

Alternative letter-case form of on earth

The property of being earth or belonging to the earth.

plural of Earth

plural of earthing

plural of earthful

As much as the earth can or does hold or sustain.

Pertaining to the earth, as opposed to heaven; earthly.

(fiction) The main setting of J.R.R. Tolkien's Lord of the Rings and other works. / Alternative form of Middle Earth: the Earth.

(chemistry) Any of the naturally occurring oxides of the lanthanide metals; they are widely distributed in relatively small concentrations and are used in glassmaking, ceramic glazes etc.