Coffee is among the most consumed beverages worldwide. According to Statista, an average person consumes roughly 42.6 liters of coffee per year.
From its violet fluorescence
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
22 February 2025
(noun) the use of closed-class words instead of inflections: e.g., ‘the father of the bride’ instead of ‘the bride’s father’
Coffee is among the most consumed beverages worldwide. According to Statista, an average person consumes roughly 42.6 liters of coffee per year.