sag

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sag

1. Nautical the extent to which a vessel's keel sags at the centre
2. 
a. a marshy depression in an area of glacial till, chiefly in the US Middle West
b. (as modifier): sag and swell topography

sag

[sag]
(electricity)
Slack introduced in an aerial cable or open-wire line to compensate for contraction during cold weather.
(geology)
A pass or gap in a ridge or mountain range shaped like a saddle.
A shallow depression in a relatively flat land surface.
A regional basin with gently sloping sides.
(metallurgy)
Decrease in the section thickness of a casting caused by weakness of the sand mold.

sag

(1) A momentary drop in voltage from the power source. Contrast with spike.

(2) (SAG) (SQL Access Group) See CLI.