(anarchism) The theories of Murray Bookchin (1921–2006), American anarchist and political theorist, known for his work on social ecology.

(automotive) A manual transmission; a gearbox, especially of a motorized vehicle, shifted by the operator. / (by synecdoche) A vehicle with a manual transmission.

A town in Newfoundland, Newfoundland and Labrador, Canada.

(biology, of an organism) Excreting soluble ammonia as a result of deamination.