CORALLIN

Cor"al*lin, n. Etym: [So named in allusion to the color of red corallin, fr. L. corallum coral.] (Chem.)

Definition: A yellow coal-tar dyestuff which probably consists chiefly of rosolic acid. See Aurin, and Rosolic acid under Rosolic. Red corallin, a red dyestuff which is obtained by treating aurin or rosolic acid with ammonia; -- called also pæonin.

– Yellow corallin. See Aurin.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

13 June 2025

AIRPLANE

(noun) an aircraft that has a fixed wing and is powered by propellers or jets; “the flight was delayed due to trouble with the airplane”


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Coffee Trivia

According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.

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