sagging

sagging [′sag·iŋ]

(naval architecture)

Deflection of the hull of a ship in which the middle of the keel is bowed downward.

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sagging

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.