spin·​thar·​i·​scope spin-ˈther-ə-ˌskōp How to pronounce spinthariscope (audio)
: an instrument for visual detection of alpha particles that consists of a fluorescent screen and a magnifying lens system

Word History


Greek spintharis spark + English -scope

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of spinthariscope was in 1903

Dictionary Entries Near spinthariscope

Cite this Entry

“Spinthariscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spinthariscope. Accessed 20 Mar. 2023.

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