Transcription
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- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
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- [dahy-op-teys]
- /daɪˈɒp teɪs/
- /dɪˈɒpteɪs/
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- US Pronunciation
- US IPA
-
- [dahy-op-teys]
- /daɪˈɒp teɪs/
Definitions of dioptase word
- noun dioptase a mineral, hydrous copper silicate, CuSiO 3 ⋅H 2 O, occurring in emerald-green crystals. 1
- noun dioptase a green glassy mineral consisting of hydrated copper silicate in hexagonal crystalline form. Formula: Cu6Si6O18.6H2O 0
- noun dioptase a hard, green, brittle, crystalline mineral, Cu6Si6O18·6H2O, hydrous copper silicate, used in making jewelry 0
- noun dioptase An intense emerald-green to bluish-green copper cyclosilicate mineral. 0
Information block about the term
Origin of dioptase
First appearance:
before 1795 One of the 43% newest English words
1795-1805; < French, equivalent to di- di-3 + Greek optasía view
Historical Comparancy
Parts of speech for Dioptase
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
dioptase popularity
A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 61% of English native speakers know the meaning and use word.
According to our data about 50% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.
dioptase usage trend in Literature
This diagram is provided by Google Ngram ViewerSee also
Matching words
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