pneumatic trough

  1. a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.

Origin of pneumatic trough

First recorded in 1820–30

Words Nearby pneumatic trough Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use pneumatic trough in a sentence

British Dictionary definitions for pneumatic trough

pneumatic trough

  1. chem a shallow dishlike vessel filled with a liquid, usually water, and used in collecting gases by displacement of liquid from a filled jar held with its open end under the surface of the liquid

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012