1 to behave in a certain way as a result of something: How did he react when you called him a fool?; He reacted angrily to the criticism; Hydrogen reacts with oxygen to form water.
az: reaksiya vermək
ru: реагировать
2 (with against) to behave or act in a certain way in order to show rejection of: Young people tend to react against their parents.
az: müqavimət göstərmək
ru: противиться
3 (with to) to be affected, usually badly, by (a drug etc): I react very badly to penicillin.
az: reaksiya göstərmək
ru: реагировать