三さん色しょく印いん刷さつ法ほう

Meanings

1

noun

three-color printing process

Technical term in printing; refers to a process using three primary colors (typically cyan, magenta, yellow) to reproduce full-color images.

printing, print, brush

法method, law, rule

四よん色しょく印いん刷さつ法ほう
Four-color printing adds black (key) to the three primary colors, which is more common in modern offset printing.
カラー印いん刷さつ
General term for color printing, not specifying the number of colors or process.

Compound of 三色 (three colors) + 印刷法 (printing method). A straightforward technical term with no obscure historical derivation.