hotbox

[hot-boks]
noun Railroads.
a journal box overheated by excessive friction of an axle as a result of inadequate lubrication or the presence of foreign matter.
Also, hot box.


Origin:
1835–45; hot + box1

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
Standard test method for measuring the steady state thermal transmittance of fenestration systems using hotbox methods.
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