From Longman Dictionary of Contemporary Englishcarbon copyˌcarbon ˈcopy noun [countable] 1 BDa copy, especially of something that has been typed using carbon paper → cc2 SAMEsomeone or something that is very similar to another person or thingcarbon copy of The robbery is a carbon copy of one that took place last year.
Examples from the Corpus
carbon copy• The new Bernard's is not a carbon copy of the original.• It was a carbon copy of an attack 18 months ago.• He was as near as dammit to being a stylistic carbon copy of Hell.• To her annoyance Holly pushed the carbon copy on to Rain's desk and went away with the other.carbon copy of• Mozer is a carbon copy of Jane Pryce: same policies, same ideas.From Longman Business Dictionarycarbon copyˌcarbon ˈcopy noun [countable]1a copy of a document made using carbon paper2be a carbon copy of something if something is a carbon copy of something else, it is very similar3 ccCOMPUTING a copy of an email message → see also blind carbon copy 