microreproduction

[ mahy-kroh-ree-pruh-duhk-shuh n ]
/ ˌmaɪ kroʊˌri prəˈdʌk ʃən /

noun

a photographic image too small to be read by the unaided eye.
the technique of producing such images.

Origin of microreproduction

First recorded in 1935–40; micro- + reproduction
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019