black diamond

n.1. See carbonado².2. black diamonds Coal.

black diamond

n 1. (Minerals) another name for carbonado² 2. (usually plural) a figurative expression for coal

black′ dia′mond

n. 1. carbonado ¹. 2. black diamonds, coal, esp. anthracite. [1910–15]

Thesaurus

Noun

black diamond - an inferior dark diamond used in industry for drilling and polishingcarbonadoadamant, diamond - very hard native crystalline carbon valued as a gem

black diamond

[¦blak ′dī·mənd] (mineralogy) carbonado

FinancialSeeb/d

black diamond

noun

Synonyms for black diamond

noun an inferior dark diamond used in industry for drilling and polishing

Synonyms

carbonado

Related Words

adamant
diamond

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