manroot (Ipomoea leptophylla)

mineral tar, a kind of asphalt

petroleum

The earthy residuum after the calcination of bone, consisting chiefly of calcium phosphate.

A soil composed mainly of silex and partially decomposed vegetable fiber.

Any dog that digs in the earth, for example to catch foxes in holes

A variety of glauconite, found in cavities in amygdaloid and other eruptive rock, and used as a green pigment by artists.

Any of the sciences dealing with the planet Earth, such as geology and meteorology.

(idiomatic) A very unpleasant situation; torment, particularly when widespread.

plural of earth science