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The Collaborative International Dictionary of English v.0.48 (gcide)

Sliding \Slid"ing\, a.
1. That slides or slips; gliding; moving smoothly.
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2. Slippery; elusory. [Obs.]
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That sliding science hath me made so bare.
--Chaucer.
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{Sliding friction} (Mech.), the resistance one body meets
with in sliding along the surface of another, as
distinguished from rolling friction.

{Sliding gunter} (Naut.), a topmast arranged with metallic
fittings so as to be hoisted and lowered by means of
halyards.

{Sliding keel} (Naut), a movable keel, similar to a
centeboard.

{Sliding pair}. (Mech.) See the Note under {Pair}, n., 7.

{Sliding rule}. Same as {Slide rule}, under {Slide}, n.

{Sliding scale}.
(a) A scale for raising or lowering imposts in proportion
to the fall or rise of prices.
(b) A variable scale of wages or of prices.
(c) A slide rule.

{Sliding ways} (Naut.), the timber guides used in launching a
vessel.
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