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pneumatic trough

noun

pneumatic trough

noun
1

Chemistry, Natural sciences, Physical sciences A piece of laboratory apparatus, consisting of a vessel filled with liquid (generally water or mercury), used for collecting gases.

  • The pneumatic trough used at Calne was larger than that he had used in Leeds, and fresh water was not so conveniently at hand.2004, Robert E Schofield, The Enlightened Joseph Priestley, Pennsylvania State University, published 2004, page 94:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.