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Related to sagging: sagging face
Deflection of the hull of a ship in which the middle of the keel is bowed downward.
1. A defect characterized by a wavy line or lines appearing on those surfaces of porcelain enamel that have been fired in a vertical position.
2. A defect characterized by irreversible downward bending in a ceramic article insufficiently supported during the firing cycle.
3. The excessive flow of a wet paint film on vertical surfaces resulting in drips, runs, or curtains in the film when it dries.
4. The flowing of a sealant within a joint, so that it loses its original shape.
5.See curtaining, 3.