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escalator

[es-kuh-ley-ter] /ˈɛs kəˌleɪ tər/
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.
adjective
4.
of, relating to, or included in an escalator clause:
The union demands escalator protection of wages.
Origin of escalator
1895-1900
1895-1900, Americanism; formerly a trademark; perhaps escal(ade) + (elev)ator

moving stairway

noun
1.
escalator (def 1).
Also called moving staircase.
Origin
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for moving staircase

moving staircase

noun
1.
less common terms for escalator (sense 1)

escalator

/ˈɛskəˌleɪtə/
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
Word Origin
C20: originally a trademark
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for moving staircase

escalator

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for moving

12
16
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