In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.
hemin, protohemin
(noun) a reddish-brown chloride of heme; produced from hemoglobin in laboratory tests for the presence of blood
Source: WordNet® 3.1
hemin (plural hemins)
a reddish brown substance produced in a laboratory test for the presence of blood by reaction with glacial acetic acid and sodium chloride
• hematin chloride
• protohemin
Source: Wiktionary
He"min, n. Etym: [Gr. (Physiol. Chem.)
Definition: A substance, in the form of reddish brown, microscopic, prismatic crystals, formed from dried blood by the action of strong acetic acid and common salt; -- called also Teichmann's crystals. Chemically, it is a hydrochloride of hematin.
Note: The obtaining of these small crystals, from old blood clots or suspected blood stains, constitutes one of the best evidences of the presence of blood.
Source: Webster’s Unabridged Dictionary 1913 Edition
8 May 2025
(noun) the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.