In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
DIACID
Etymology
Noun
diacid (plural diacids)
(chemistry) Any dibasic acid
Source: Wiktionary
Di*ac"id, a. Etym: [Pref. di- + acid.] (Chem.)
Definition: Divalent; -- said of a base or radical as capable of saturating two acid monad radicals or a dibasic acid. Cf. Dibasic, a., and Biacid.
Source: Webster’s Unabridged Dictionary 1913 Edition
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