aethrioscope

noun

ae·​thri·​o·​scope
ˈē-thrē-ə-ˌskōp,
ˈe-
: an instrument consisting in part of a differential thermometer for measuring changes of temperature produced by different conditions of the sky

Word History

Etymology

Greek aithrios clear + English -scope

First Known Use

1818, in the meaning defined above

Time Traveler
The first known use of aethrioscope was in 1818

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Cite this Entry

“Aethrioscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aethrioscope. Accessed 24 Mar. 2023.

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