chalcedony, calcedony
(noun) a milky or greyish translucent to transparent quartz
Source: WordNet® 3.1
chalcedony (countable and uncountable, plural chalcedonies)
A form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally.
Source: Wiktionary
Chal*ced"o*ny, n.; pl. Chalcedonies. Etym: [ L. chalcedonius, fr. Gr. calcédoine, OE. calcidoine, casidoyne. Cf. Cassidony.] (Min.)
Definition: A cryptocrystalline, translucent variety of quartz, having usually a whitish color, and a luster nearly like wax. [Written also calcedony.]
Note: When chalcedony is variegated with with spots or figures, or arranged in differently colored layers, it is called agate; and if by reason of the thickness, color, and arrangement of the layers it is suitable for being carved into cameos, it is called onyx. Chrysoprase is green chalcedony; carnelian, a flesh red, and sard, a brownish red variety.
Source: Webster’s Unabridged Dictionary 1913 Edition
24 February 2025
(noun) (astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)
Espresso is both a coffee beverage and a brewing method that originated in Italy. When making an espresso, a small amount of nearly boiling water under pressure forces through finely-ground coffee beans. It has more caffeine per unit volume than most coffee beverages. Its smaller serving size will take three shots to equal a mug of standard brewed coffee.
