The New York Stock Exchange started out as a coffee house.
SULFONYL
Etymology
Noun
sulfonyl (plural sulfonyls) (used to modify other nouns)
(chemistry) The bivalent radical or functional group -SO2-
(organic chemistry) Any univalent radical derived from a sulfonic acid
Source: Wiktionary
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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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