a combining form with the meanings “fluorine,” “fluoride,” used in the formation of compound words: fluorocarbon.
a combining form with the meaning “fluorescence,” used in the formation of compound words: fluoroscopy.
Also fluo-; especially before a vowel, fluor-
Origin of fluoro-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
before a vowel fluor-
indicating the presence of fluorinefluorocarbon
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