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WordReference Random House Learner's Dictionary of American English © 2024tread•mill /ˈtrɛdˌmɪl/USA pronunciation n. [countable]- Mechanical Engineeringa mill powered by walking on a series of moving steps that form a continuous path.
- any monotonous, wearisome routine.
WordReference Random House Unabridged Dictionary of American English © 2024tread•mill (tred′mil′),USA pronunciation n. - an apparatus for producing rotary motion by the weight of people or animals, treading on a succession of moving steps or a belt that forms a kind of continuous path, as around the periphery of a pair of horizontal cylinders.
- Sportan exercise machine that allows the user to walk or run in place, usually on a continuous moving belt.
- any monotonous, wearisome routine in which there is little or no satisfactory progress.
treadmill, + n. - Sportan exercise machine that allows the user to walk or run in place, usually on a continuous moving belt.
Collins Concise English Dictionary © HarperCollins Publishers:: treadmill /ˈtrɛdˌmɪl/ n - Also called: treadwheel (formerly) an apparatus used to produce rotation, in which the weight of men or animals climbing steps on or around the periphery of a cylinder or wheel caused it to turn
- a dreary round or routine
- an exercise machine that consists of a continuous moving belt on which to walk or jog
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