maximum thermometer

American  

noun

1. a thermometer designed to show the highest temperature recorded between resettings.

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Etymology

Origin of maximum thermometer

First recorded in 1850–55

Example Sentences

A thermometer constructed to register the highest temperature is usually called a maximum thermometer; one to show the lowest temperature is termed a minimum thermometer; and if made to record both extremes of temperature, it is designated a maximum-and-minimum thermometer.

From Project Gutenberg

Rutherford’s Maximum Thermometer.—The maximum thermometer, invented by Dr. John Rutherford, differs from an ordinary thermometer in having a small cylinder of steel, porcelain, or aluminium, moving freely in the tube beyond the mercury, so as to form an index.

From Project Gutenberg

Phillip’s Maximum Thermometer.—A maximum thermometer, better perhaps in its action than Rutherford’s, has been suggested by Professor John Phillips, of Oxford.

From Project Gutenberg

This forms a maximum thermometer, when the stem is arranged horizontally.

From Project Gutenberg

It has been found in practice that the air bubble at different temperatures assumes different lengths, and if very small it disappears in a few years by oxidation and by diffusion with the mercury, so that the instrument becomes defective and uncertain in action,—results which led to the construction of the self-registering mercurial maximum thermometer, invented and patented by Messrs. Negretti and Zambra.

From Project Gutenberg