/ English Dictionary |
BLACK DIAMOND
Pronunciation (US): | ![]() | (GB): | ![]() |
I. (noun)
Sense 1
Meaning:
An inferior dark diamond used in industry for drilling and polishing
Synonyms:
black diamond; carbonado
Classified under:
Hypernyms ("black diamond" is a kind of...):
adamant; diamond (very hard native crystalline carbon valued as a gem)
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