ESCALATOR
Escalator
An escalator is a moving staircase – a conveyor transport device for carrying people between floors of a building. The device consists of a motor-driven chain of individual, linked steps that move up or down on tracks, allowing the step treads to remain horizontal.The above text is a snippet from Wikipedia: Escalator
and as such is available under the Creative Commons Attribution/Share-Alike License.
escalator
Noun
- A motor-driven mechanical device consisting of a continuous loop of steps that automatically conveys people from one floor to another.
- An upward or progressive course.
- An escalator clause.
- They agreed to a cost-of-living escalator.
The above text is a snippet from Wiktionary: escalator
and as such is available under the Creative Commons Attribution/Share-Alike License.