WordNet
riser pipe
n. a vertical pipe in a building [syn: riser, riser pipeline, riser main]
Usage examples of "riser pipe".
Planetary stresses, the bunglings of motile machines out of control, and fatigue of materials had not spared the riser pipe or the overhead tube.
Against one of the lower slopes, near the abyss of the tower's riser pipe, they found an island of migrating sand from the blasting.