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English definition of “riser”

riser

noun uk   /ˈraɪ.zər/ us    /-zɚ/

riser noun (PERSON)

early/late riser a person who usually gets out of bed early/late in the morning

riser noun (STEP)

[C] specialized architecture the vertical part of a step risers [plural] US a group of steps on which people sit or stand to see or be seen better

riser noun (PRICE)

[C] something such as a share price or currency whose value has gone up during a particular period: The day's sharpest riser was British Borneo, which put on 33p to 320p.
(Definition of riser from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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