variants or fluoro-
1
: fluorine
fluoride
2
or less commonly fluori- : fluorescence
fluoroscope
fluorimeter

Word History

Etymology

French

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Cite this Entry

“Fluor-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluor-. Accessed 10 Jun. 2026.

Medical Definition

fluor

noun
: a bodily discharge
make a diagnosis of pathological fluorArchives of Therapeutics
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