This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A moving stairway consisting of steps attached to a continuously circulating belt.

n. An escalator clause.

n. A motor-driven mechanical device consisting of a continuous loop of steps that automatically conveys people from one floor to another.

n. An upward or progressive course.

n. An escalator clause.

n. A stairway or incline arranged like an endless belt so that the steps or treads ascend or descend continuously, and one stepping upon it is carried up or down; -- originally a trade term, which has become the generic name for such devices. Such devices are in common use in large retail establishments such as department stores, and in public buildings having a heavy traffic of persons between adjacent floors.

n. A moving stairway.

n. a stairway whose steps move continuously on a circulating belt

n. a clause in a contract that provides for an increase or a decrease in wages or prices or benefits etc. depending on certain conditions (as a change in the cost of living index)

"The vertical displacement between each successive line reflects generational differences where each successive cohort began its ascent up the life cycle escalator, or in other words, the gradual generational decline in religious observance."

stairway    staircase    article    clause   

moving pavement    movator    stairway    moving sidewalk    travelator   

escalate   

escalator clause   

stairwell    stairway    eggbeater    trendline    eight-track