escalator








noun

  1. Also called moving staircase, moving stairway. a continuously moving stairway on an endless loop for carrying passengers up or down.
  2. a means of rising or descending, increasing or decreasing, etc., especially by stages: the social escalator.
  3. escalator clause.

adjective

  1. of, relating to, or included in an escalator clause: The union demands escalator protection of wages.

noun

  1. a moving staircase consisting of stair treads fixed to a conveyor belt, for transporting passengers between levels, esp between the floors of a building
  2. short for escalator clause
n.

1900, American English, trade name of an Otis Elevator Co. moving staircase, coined from escalade + -ator in elevator. Figurative use is from 1927.

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