dioptase
French, noun\djɔp.tɑz\
dioptase is spelled D-I-O-P-T-A-S-E (8 letters). Dioptase is a French feminine noun meaning “dioptase” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Minéral cyclosilicate de cuivre, d'un vert émeraude intense, transparent à translucide. Sa formule chimique…”.
What does dioptase mean in English?
noun
- 1
femininedioptase
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Minéral cyclosilicate de cuivre, d'un vert émeraude intense, transparent à translucide. Sa formule chimique est CuSiO₃•H₂O.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of dioptase
- dioptases plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce dioptase?
- \djɔp.tɑz\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.