殺さっ虫ちゅう

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

insect killing; pest extermination

Refers to the act of killing insects or pests. Often used in compounds or with する to mean 'to exterminate insects'.

• このスプレーは殺さっ虫ちゅう効こう果かが高たかい。

  This spray is highly effective at killing insects.

• 夏なつになると、家いえの中なかで殺さっ虫ちゅうする必ひつ要ようがある。

  In summer, it's necessary to exterminate insects inside the house.