carbonado

carbonado

carbonado [ karbɔnado ] n. m.
• 1888; mot port. « charbonneux »
Techn. Diamant noir utilisé pour le forage des roches dures. Des carbonados.

carbonado nom masculin (espagnol carbonado, carboné) Variété de diamant noir. (Sa grande dureté le fait utiliser pour le forage des roches.)

carbonado [kaʀbɔnado] n. m.
ÉTYM. 1888; mot port., « charbonneux ».
Techn. Diamant noir utilisé pour le forage des roches dures.

Encyclopédie Universelle. 2012.

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