Escalator vs. Stair — What's the Difference?

An escalator is a moving staircase which carries people between floors of a building or structure. It consists of a motor-driven chain of individually linked steps on a track which cycle on a pair of tracks which keep them horizontal.

A set of steps leading from one floor of a building to another, typically inside the building

A moving staircase consisting of an endlessly circulating belt of steps driven by a motor, which conveys people between the floors of a public building.

Often stairs A series or flight of steps; a staircase.

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

One of a flight of steps.

An escalator clause.

A single step in a staircase.

Anything that escalates.

A series of steps; a staircase.

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

One step of a series for ascending or descending to a different level; - commonly applied to those within a building.

An upward or progressive course.

A series of steps, as for passing from one story of a house to another; - commonly used in the plural; but originally used in the singular only.

An escalator clause.

Support consisting of a place to rest the foot while ascending or descending a stairway;

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.

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)

A stairway whose steps move continuously on a circulating belt