反はん応のう

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

reaction; response

General term for a response to an action, statement, or event. Covers emotional, verbal, and behavioral reactions.

• 彼かれの冗じょう談だんに誰だれも反はん応のうしなかった。

  No one reacted to his joke.

• そのニュースに対たいする国こく民みんの反はん応のうは様さま々ざまだった。

  The public's reaction to the news was mixed.

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

physical response; physiological reaction

Used for observable biological or physical responses to stimuli, such as reflexes, sensory reactions, or organism-level responses.

• 瞳どう孔こうは光ひかりに反はん応のうして小ちいさくなる。

  The pupil contracts in response to light.

• この薬くすりに対たいする体からだの反はん応のうを調しらべています。

  We are investigating the body's reaction to this drug.

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

chemical reaction

Technical term in chemistry for a process where substances interact and change. Often used in compounds like 化学反応 (chemical reaction).

• 鉄てつが酸さん素そと反はん応のうして錆さびる。

  Iron reacts with oxygen and rusts.

• この化か学がく反はん応のうでは熱ねつが発はっ生せいする。

  This chemical reaction produces heat.