The quantity of liquid that coalesces into a single globule; sizes vary according to physical conditions and the properties of the fluid itself.

The difference in water-surface elevations that is measured up-and downstream from a narrowing in the stream.

A casting defect due to the falling of a portion of sand from an overhanging section of the mold.

A funnel-shaped downward intrusion of sedimentary rock into the roof of a coal seam.

A fungus disease of various vegetables caused by Sclerotinia sclerotiorum and characterized by wilt and stem rot.