Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.
PYROLOGY
Etymology
Noun
pyrology (uncountable)
(dated) the scientific study of the effects of heat or flame, often in regards to explosives or chemical compounds.
Source: Wiktionary
Py*rol"o*gy, n. Etym: [Pyro- + -logy: cf. F. pyrologie.]
Definition: That branch of physical science which treats of the properties, phenomena, or effects of heat; also, a treatise on heat.
Source: Webster’s Unabridged Dictionary 1913 Edition
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7 June 2025
PARSEC
(noun) a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years
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