from The Century Dictionary and Cyclopedia

  • n. A form of steam-boiler so designed and installed in its setting that it may be used as a testing-device to determine the evaporative capacity of different fuels, the efficiency of furnace types, the effects of changes in the rate of combustion, and the value of steam-making devices and apparatus of various sorts. Most experimental laboratories of institutions for the education of engineers are equipped with such an experimental boiler.
  • n. A boiler capable of withstanding a high internal pressure so that pressure from it may be used to test the strength of other boilers.
  • n. A boiler specially constructed to test some principle or claim.


Sorry, no etymologies found.


Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.