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English definition of “escalator”

escalator

noun [C]     /ˈes.kə.leɪ.tər/ US  /-t̬ɚ/
B2 a set of stairs moved up or down by electric power on which people can stand and be taken from one level of a building to another, especially in shops, railway stations, and airports: I'll meet you by the up/down escalator on the second floor.Stairs and lifts
(Definition of escalator noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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