Definición de pneumatic trough en inglés:

pneumatic trough

Saltos de línea: pneu|mat¦ic trough

sustantivo

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

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Palabra del día ween
Pronunciación: wiːn
verb
be of the opinion; think or suppose