[1] : The Collaborative International Dictionary of English v.0.48

sliding \slid"ing\, a.
   1. that slides or slips; gliding; moving smoothly.
      1913 webster

   2. slippery; elusory. obs.
      1913 webster

            that sliding science hath me made so bare.
                                                  --chaucer.
      1913 webster

   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.
      1913 webster
see also:
sliding friction sliding gunter sliding keel sliding pair pair sliding rule 
slide rule slide sliding scale sliding ways 

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