tasimeter

/ təˈsɪmɪtə, ˌtæsɪˈmɛtrɪk /

noun

1. a device for measuring small temperature changes. It depends on the changes of pressure resulting from expanding or contracting solids

Other Word Forms

• tasimetric adjective
• tasimetry noun

Word History and Origins

Origin of tasimeter¹

C19 tasi-, from Greek tasis tension + _-meter

Example Sentences

Edison brought a "tasimeter" he designed to detect heat at a distance to Wyoming, but it ended up not working well.

Read more on Time

James Craig Watson was a professor who hoped to discover a new planet; the astronomer Maria Mitchell was determined to prove that women belonged in the science world; and Thomas Edison, a young inventor at the time, wanted to test his tasimeter, a device that measured infrared radiation, and buff his credentials.

Read more on New York Times

Edison brought one of his devices, a tasimeter, to measure minute shifts in heat from the Sun's corona during the eclipse.

Read more on Nature

It wasn't until around 1940 that physicists Walter Grotrian, Bengt Edlén and Hannes Alfvén found the solar corona to have a temperature of at least 1 million °C. Had the tasimeter worked, the scattering of sunlight that we see as the inner corona would have misleadingly given Edison the Sun's surface temperature, 6,000 °C.

Read more on Nature

But he brings with him a new invention, the Tasimeter, which measures infrared radiation or heat.

Read more on National Geographic