"outward rotary flow of air from an area of atmospheric high pressure," 1863, coined by Francis Galton, English polymath, explorer, and meteorologist, from anti- + cyclone. Related: Anticyclonic.
anticlimax
anticline
anticoagulant
anti-communist
antics
anticyclone
antidepressant
antidisestablishmentarianism
antidotal
antidote
Antietam