fluoro-

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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.

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Also fluo-; especially before a vowel, fluor-

Origin of fluoro-

From New Latin; see origin at fluor, -o-

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for fluoro-

fluoro-

before a vowel fluor-

combining form

indicating the presence of fluorinefluorocarbon

indicating fluorescencefluoroscope

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012