In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
CHITIN
chitin
(noun) a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi
Source: WordNet® 3.1
Etymology
Noun
chitin (countable and uncountable, plural chitins)
(carbohydrate) A complex polysaccharide, a polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and in the cell walls of fungi; thought to be responsible for some forms of asthma in humans.
Anagrams
• itchin'
Source: Wiktionary
Chi"tin, n. Etym: [See Chiton.] (Chem.)
Definition: A white amorphous horny substance forming the harder part of the outer integument of insects, crustacea, and various other invertebrates; entomolin.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
23 April 2025
UNMARRIED
(adjective) not married or related to the unmarried state; “unmarried men and women”; “unmarried life”; “sex and the single girl”; “single parenthood”; “are you married or single?”
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