(Greek mythology) The son of Iapetus and Clymene, war leader of the Titans ordered by the god Zeus to support the sky on his shoulders; father to Hesperides, the Hyades, and the Pleiades; king of the legendary Atlantis.

(astronautics, military, US) A particular model or individual specimen of the Atlas missile and launch vehicle line.

A subgroup of the Berber languages.

(physics) A nucleus of an atom; consisting of protons and neutrons, surrounded by an electron cloud.

(chemistry) A unit of mass equal to 1/12 the mass of an atom of the ¹²C isotope of carbon.

The ocean lying between the Americas to the west and Europe and Africa to the east.

At a distance, away from one's body. / (idiomatic) Avoiding a close relationship.

Alternative form of burn the candle at both ends

(idiomatic) On the loose; roaming freely; not confined. / (obsolete) In full, fully. / In general; as a whole. / (US, politics, of an election) Having an electorate across multiple districts.

(idiomatic) At full speed; very quickly.