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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CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

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Question 1 of 7

Which sentence is correct?

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-

Words nearby fluoro-

fluorimeter, fluorinate, fluorine, fluorine dating, fluorite, fluoro-, fluorocarbon, fluorochemical, fluorochrome, fluorography, fluorometer

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