[ floo r-een, -in, flawr-, flohr- ]
/ ˈflʊər in, -ɪn, ˈflɔr-, ˈfloʊr- /
a white, crystalline, water-insoluble solid, C13H10, used chiefly in the manufacture of resins and dyes.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for fluorene
It also acts as a chromogenic centre when double bonds or ethylenic linkages are present, as in fluorene ketone or fluorenone.
British Dictionary definitions for fluorene
/ (ˈflʊəriːn) /
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