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pneumatic trough

Line breaks: pneu|mat¦ic trough

Entry from British & World English dictionary

Definition of pneumatic trough in English:

noun

Chemistry
A shallow liquid-filled container with which gases can be collected by displacing liquid from a jar inverted in the trough.

Definition of pneumatic trough in:

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Pronunciation: ôrˈTHōəpē
noun
the correct or accepted pronunciation of words