A red soil found in tropical areas, containing oxidized iron.

Alternative form of Middle Earth: (archaic) the Earth; (Norse mythology) Midgard. / (fiction) Alternative letter-case form of Middle-earth: the setting of the Lord of the Rings mythos.

The United Nations Conference on Environment and Development held in Rio de Janeiro in 1992.

(idiomatic) Practical; realistic; pragmatic. / (idiomatic) Ordinary; normal; run-of-the-mill.

A fine clay used in fulling cloth.

Alternative spelling of earthshattering.

An outhouse or lavatory which uses a cesspit rather than a flush toilet and plumbing.

Alternative spelling of alkaline earth

(chemistry) Any oxide of the elements of group II of the periodic table; they are not as basic as the alkalis, and not so soluble in water.

(North American countries) April 22; Created in 1970, global day of observance of the need to protect the earth. / (obsolete, US) March 21st.