顕けん色しょく

noun, noun or participle which takes 'suru'

development; developing (color)

Technical term in dyeing, photography, and printing for the process of making a color visible, often through chemical reaction.

• この染せん料りょうは熱ねつで顕けん色しょくする。

  This dye develops color with heat.

• 写しゃ真しんの顕けん色しょく処しょ理りには注ちゅう意いが必ひつ要ようだ。

  Care is needed in the development process of photographs.