carbon copy noun
plural ∼ copies [count] 1 : a copy of a document, letter, etc., that is made by using carbon paper
▪ I'll need a carbon copy of that receipt. 2 : a person or thing that is very similar to another person or thing
▪ She's a carbon copy of her mother.
▪ I'll need a carbon copy of that receipt.
▪ She's a carbon copy of her mother.
