Noun | 1. | ![]() meteorology - the earth science dealing with phenomena of the atmosphere (especially weather) atmospheric state, atmosphere - the weather or climate at some place; "the atmosphere was thick with fog" high - an air mass of higher than normal pressure; "the east coast benefits from a Bermuda high" cyclone - (meteorology) rapid inward circulation of air masses about a low pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southern |