感かん光こう

noun, noun or participle which takes 'suru', intransitive verb

exposure to light; sensitization

Primarily used in photography, printing, and chemistry for the process of making a material sensitive to light or exposing it to light. Often appears as 感光する or in compounds like 感光材料.

• フィルムは光ひかりに感かん光こうしてしまうので、暗あん室しつで扱あつかってください。

  The film will be exposed to light, so please handle it in a darkroom.

• この紙かみは感かん光こう剤ざいが塗ぬってある。

  This paper is coated with a photosensitive agent.