DIOPTASE

Noun

dioptase (countable and uncountable, plural dioptases)

An intense emerald-green to bluish-green copper cyclosilicate mineral.

Source: Wiktionary


Di*op"tase, n. Etym: [Gr. dioptase.] (Min.)

Definition: A hydrous silicate of copper, occurring in emerald-green crystals.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

25 May 2025

ALBUTEROL

(noun) a bronchodilator (trade names Ventolin or Proventil) used for asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects are tachycardia and shakiness


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Coffee Trivia

According to Statista, the global coffee industry is worth US$363 billion in 2020. The market grows annually by 10.6%, and 78% of revenue came from out-of-home establishments like cafes and coffee beverage retailers.

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