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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20 April 2024
MULTIPHASE
(adjective) of an electrical system that uses or generates two or more alternating voltages of the same frequency but differing in phase angle
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