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WordReference Random House Learner's Dictionary of American English © 2024ˈstep-ˌup, adj. [before a noun]- causing an increase.
- Electricityserving to increase voltage:a step-up transformer.
n. [countable] - Businessan increase or rise in rate or quantity.
WordReference Random House Unabridged Dictionary of American English © 2024step-up (step′up′),USA pronunciation adj. - effecting an increase.
- Electricityserving to increase voltage:a step-up transformer.
- Business(of a lease) allowing for gradual rent increases to the highest amount permissible.
n. - Businessan increase or rise in the rate or quantity of something.
Also, step′up′. - adjective, adjectival, noun, nominal use of verb, verbal phrase step up 1890–95
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