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A method of conveying liquid from one tray to the one below in a bubble-tray column.
In an air-pollution control system, a pipe that conducts gases downward to a device that removes undesirable substances.
A tube in a boiler waterwall system wherein the fluid flows downward.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. A downspout.
2. Any pipe in which the flow is substantially vertical.
downspout, conductor, downcomer, downpipe, leader, rain leader, rainwater pipe
A vertical pipe, often of sheet metal,
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.