A substance discharged into the air, especially by an internal combustion engine, any of several bodily processes by which substances go out of the body, the release of electrons from parent atoms
The male ruler of an empire, large moth of temperate forests of Eurasia having heavily scaled transparent wings, A commander-in-chief; a supreme leader of an army or of armies
Special forcefulness of expression that gives importance to something singled out; stress, the relative prominence of a syllable or musical note (especially with regard to stress or pitch), intensity or forcefulness of expression
A political unit having an extensive territory or comprising a number of territories or nations and ruled by a single supreme authority, a group of countries under a single authority, an eating apple that somewhat resembles a McIntosh; used as both an eating and a cooking apple
Relying on or derived from observation or experiment, Pertaining to, derived from, or testable by observations made using the physical senses or using instruments which extend the senses, relying on medical quackery