bornite, peacock ore
(noun) a mineral consisting of sulfides of copper and iron that is found in copper deposits
Source: WordNet® 3.1
bornite (plural bornites)
(mineral) A reddish mineral that tarnishes on exposure to air; it is a mixed sulfide of iron and copper with the chemical formula Cu5FeS and is an important ore of copper.
• erubescite
• peacock ore, peacock copper
• Bertino, robinet
Source: Wiktionary
Bor"nite, n. Etym: [Named after Von Born, a mineralogist.] (Min.)
Definition: A valuable ore of copper, containing copper, iron, and sulphur;
– also called purple copper ore (or erubescite), in allusion to the colors shown upon the slightly tarnished surface.
Source: Webster’s Unabridged Dictionary 1913 Edition
24 November 2024
(noun) a person (usually but not necessarily a woman) who is thoroughly disliked; “she said her son thought Hillary was a bitch”
The Boston Tea Party helped popularize coffee in America. The hefty tea tax imposed on the colonies in 1773 resulted in America switching from tea to coffee. In the lead up to the Revolutionary War, it became patriotic to sip java instead of tea. The Civil War made the drink more pervasive. Coffee helped energize tired troops, and drinking it became an expression of freedom.
