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definitions

fluoro-

  1. a combining form with the meanings “fluorine,” “fluoride,” used in the formation of compound words: fluorocarbon.
  2. 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-

From New Latin; see origin at fluor, -o-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for fluor-

fluor-

combining form
  1. a variant of fluoro- fluorene; fluorine

fluoro-

before a vowel fluor-

combining form
  1. indicating the presence of fluorinefluorocarbon
  2. 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
fluor- in Medicine

fluor-

pref.
  1. Variant offluoro-

fluoro-

pref.
  1. Fluorine:fluorosis.
  2. Fluorescence:fluoroscope.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.