A flowing off on all sides; fluidity.

A pattern of air flow in which wind direction diverges along an axis oriented parallel to the flow along the axis. Considered a form of divergence. The opposite of confluence.

Usually used in context of upper level flow. Diffluent flow splits apart and causes air from below to rise up and produce lift in the atmosphere.

The moving apart of adjacent streamlines. The reverse of Confluence.

A rate at which wind flow spreads apart along an axis oriented normal to the flow in question. The opposite of confluence.