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fluorene

American

[floor-een, -in, flawr-, flohr-] / ˈflʊər in, -ɪn, ˈflɔr-, ˈfloʊr- /

noun

Chemistry.

a white, crystalline, water-insoluble solid, C 13 H 10 , used chiefly in the manufacture of resins and dyes.

fluorene British

/ ˈflʊəriːn /

noun

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

Etymology

Origin of fluorene

From French, dating back to 1880–85; see origin at fluor-, -ene

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The fluorene is separated from this by placing it in a freezing mixture, and is then redistilled or crystallized from glacial acetic acid, or purified by means of its picrate.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various

It also acts as a chromogenic centre when double bonds or ethylenic linkages are present, as in fluorene ketone or fluorenone.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023