onycha (uncountable)
(obsolete) the operculum of kinds of strombus or muricid, smoked as an ingredient in the Mosaic incense and pre-modern medicine
(obsolete) The precious stone onyx.
Source: Wiktionary
On"y*cha, n. Etym: [NL., from L. onyx, -ychis, onyx, also, a kind of mussel, Gr. Onyx.]
1. An ingredient of the Mosaic incense, probably the operculum of some kind of strombus. Ex. xxx. 34.
2. The precious stone called onyx. [R.]
Source: Webster’s Unabridged Dictionary 1913 Edition
17 April 2025
(noun) a porous mass of interlacing fibers that forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
