[floo r-een, -in, flawr-, flohr-]
- a white, crystalline, water-insoluble solid, C13H10, used chiefly in the manufacture of resins and dyes.
Origin of fluorene
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It also acts as a chromogenic centre when double bonds or ethylenic linkages are present, as in fluorene ketone or fluorenone.
- a white insoluble crystalline solid used in making dyes. Formula: (C 6 H 4) 2 CH 2
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