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noun · uncountable · rare
emerald copper
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Dioptase
Dioptase
uk
us
Meaning
1 senses
(uncountable)
Dioptase
Lessons for this word
1 lessons
A1
Countable and uncountable nouns
— Because it can be uncountable
See also
neighbours in the dictionary
embryonic
emerald
emerge
B1
emergence
B2
emergency
A2
emery
emerald copper — meaning, examples, forms, synonyms | Krumeto