riser (redirected from Risers)

riser

1. the vertical part of a stair or step

2. a vertical pipe, esp one within a building

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riser [′rīz·ər]

(chemical engineering)

That portion of a bubble-cap assembly in a distillation tower that channels the rising vapor and causes it to flow downward to pass through the liquid held on the bubble plate.

(civil engineering)

A board placed vertically beneath the tread of a step in a staircase.

A vertical steam, water, or gas pipe.

(geology)

A steplike topographic feature, such as a steep slope between terraces.

(metallurgy)

feedhead

(petroleum engineering)

In an offshore drilling facility, a system of piping extending from the hole and terminating at the rig.

(textiles)

A raised spot in a weaving pattern where the warp traverses the weft or the filling.