carbon copy
noun /ˌkɑːbən ˈkɒpi/
/ˌkɑːrbən ˈkɑːpi/
(also carbon)
- a copy of a document, letter, etc. made with carbon paper see also cc
- a person or thing that is very similar to somebody/something else
- She is a carbon copy of her sister.
- The twins were carbon copies of each other.