“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States
KALEIDOPHONE
Noun
kaleidophone (plural kaleidophones)
(obsolete, physics) A device, consisting of a reflective ball attached to a vibrating rod or plate, that produces optical figures that correspond to the mode of vibration of the rod or plate
Source: Wiktionary
Ka*lei"do*phon, Ka*lei"do*phone, Etym: [Gr. (Physics.)
Definition: An instrument invented by Professor Wheatstone, consisting of a reflecting knob at the end of a vibrating rod or thin plate, for making visible, in the motion of a point of light reflected from the knob, the paths or curves corresponding with the musical notes produced by the vibrations.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
19 May 2025
CHEMICAL
(adjective) of or made from or using substances produced by or used in reactions involving atomic or molecular changes; “chemical fertilizer”
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