mucin
(noun) a nitrogenous substance found in mucous secretions; a lubricant that protects body surfaces
Source: WordNet® 3.1
mucin (countable and uncountable, plural mucins)
(biochemistry) Any of several glycoproteins found in mucus
• Numic, cumin
Source: Wiktionary
Mu"cin, n. Etym: [From Mucus.]
1. (Bot. Chem.)
Definition: See Mucedin. [Obs.]
2. (Physiol. Chem.)
Definition: An albuminoid substance which is contained in mucus, and gives to the latter secretion its peculiar ropy character. It is found in all the secretions from mucous glands, and also between the fibers of connective tissue, as in tendons. See Illust. of Demilune.
Source: Webster’s Unabridged Dictionary 1913 Edition
14 April 2025
(noun) maximum clarity or distinctness of an image rendered by an optical system; “in focus”; “out of focus”
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.