FLUORENE

Etymology

From its violet fluorescence

Noun

fluorene (plural fluorenes)

(organic compound) A polycyclic aromatic hydrocarbon consisting of two benzene rings joined together directly, and also via a methylene bridge; it is used in light-emitting diodes.

Source: Wiktionary


Flu`or*ene, n. (Chem.)

Definition: A colorless, crystalline hydrocarbon, C13H10 having a beautiful violet fluorescence; whence its name. It occurs in the higher boiling products of coal tar, and is obtained artificially.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

1 June 2025

BACKFIRE

(verb) come back to the originator of an action with an undesired effect; “Your comments may backfire and cause you a lot of trouble”; “the political movie backlashed on the Democrats”


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Coffee Trivia

In the 18th century, the Swedish government made coffee and its paraphernalia (including cups and dishes) illegal for its supposed ties to rebellious sentiment.

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