riser
noun
1 riser
A person who rises (especially from bed).
2 riser
A vertical pipe in a building.
synonyms: riser main, riser pipe, riser pipeline.
3 riser
Structural member consisting of the vertical part of a stair or step.
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noun
A person who rises (especially from bed).
A vertical pipe in a building.
synonyms: riser main, riser pipe, riser pipeline.
Structural member consisting of the vertical part of a stair or step.
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