Plural of carbone; multiple units of carbon or coal in Romance languages, or a Spanish/Portuguese surname.
Plural form of carbone in Spanish and Portuguese, or from Latin carbones (plural of carbon).
When Spanish and Portuguese speakers pluralize carbone, they add 's'—but in modern chemistry, everyone across language barriers uses 'carbon' because science needed a universal vocabulary.
Complete word intelligence in one call. Free tier — 50 lookups/day.