In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
OPSONIN
opsonin
(noun) an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes
Source: WordNet® 3.1
Etymology
Noun
opsonin (plural opsonins)
Any chemical produced by the body, including antibodies and complement proteins, that causes a pathogen to be more susceptible to phagocytosis.
Source: Wiktionary
Recent Word Finds
Word of the Day
1 April 2025
ANYMORE
(adverb) at the present or from now on; usually used with a negative; “Alice doesn’t live here anymore”; “the children promised not to quarrel any more”
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