In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
DIAMINE
diamine
(noun) any organic compound containing two amino groups
Source: WordNet® 3.1
Etymology
Noun
diamine (plural diamines)
(chemistry) Any compound containing two amino functional groups.
Anagrams
• -amidine, amidine
Source: Wiktionary
Di*am"ine (; 104), n. Etym: [Pref. di- + amine.] (Chem.)
Definition: A compound containing two amido groups united with one or more basic or positive radicals, -- as contrasted with a diamide.
Note: In chemical nomenclature, if any amine or diamine is named by prefixing the nitrogen group, the name of the latter takes the form of amido, diamido, etc., thus ethylene diamine, C2H4.(NH2)2, is also called diamido-ethylene.
Source: Webster’s Unabridged Dictionary 1913 Edition
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23 November 2024
THEORETICAL
(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”
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