carbon
definition: a copy made with carbon paper
example:
speech part: noun
synonyms:
carbon copy
definition: an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond
example:
speech part: noun
synonyms:
definition: a thin paper coated on one side with a dark waxy substance (often containing carbon)
example:
speech part: noun
synonyms:
carbon paper