| Date: | 1600-1700 |
| Language: | Latin |
| Origin: | 'let it be printed', from imprimere; IMPRESS |
1 formal approval of something, especially from an important person
His actions have the imprimatur of the Secretary of State.
His actions have the imprimatur of the Secretary of State.2TCNRRC technical official permission to print a book, given by the Roman Catholic Church

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