| NOUN | substance | black diamond, carbonado | an inferior dark diamond used in industry for drilling and polishing |
|---|
| Meaning | An inferior dark diamond used in industry for drilling and polishing. | |
|---|---|---|
| Synonym | carbonado | |
| Broader | diamond, adamant | Very hard native crystalline carbon valued as a gem |
| Spanish | carbonado, diamante negro | |
| Catalan | carbonat | |
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