long primer

noun Printing.

a 12-point type.

Origin of long primer

First recorded in 1590–1600

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for long primer

Historical Examples of long primer

It was a folio, pro patria size, in pica, with long-primer notes.
Memoirs of Benjamin Franklin; Written by Himself. [Vol. 1 of 2]
Benjamin Franklin

British Dictionary definitions for long primer

long primer

noun

(formerly) a size of printer's type, approximately equal to 10 point

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