TETRINIC
Te*trin"ic, a. Etym: [See Tetra-.] (Chem.)
Definition: Of, pertaining to, or designating, a complex ketonic acid, C5H6O3, obtained as a white crystalline substance; -- so called because once supposed to contain a peculiar radical of four carbon atoms. Called also acetyl-acrylic acid.
Source: Webster’s Unabridged Dictionary 1913 Edition
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1 June 2025
BACKFIRE
(verb) come back to the originator of an action with an undesired effect; “Your comments may backfire and cause you a lot of trouble”; “the political movie backlashed on the Democrats”
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