A shallow liquid-filled container with which gases can be collected by displacing liquid from a jar inverted in the trough.
- The invention of the pneumatic trough, a device for collecting gases emanating from heated substances, by the English clergyman Stephen Hales in the early part of the century, was pivotal for bringing about this emphasis.
For editors and proofreaders
Line breaks: pneu|mat¦ic trough
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.