Meaning of the word "react to" in English

What does "react to" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

react to

US /riˈækt tu/
UK /riˈækt tu/
"react to" picture

Phrasal Verb

1.

to behave in a particular way or show a particular emotion because of something that has happened or been said

Example:
How did he react to the news?
The market reacted to the political instability.
2.

to suffer a bad physical reaction after eating, drinking, or using something

Example:
Some people react to penicillin.
Her skin reacted to the new soap.
Related Word: