1 the act of reacting: What was his reaction to your remarks?; He suffered a bad reaction from the drug; I’d like to ask you for your reactions to these suggestions.
az: reaksiya
ru: реакция
2 a change of opinions, feelings etc (usually against someone or something): The new government was popular at first, but then a reaction began.
az: əks təsir
ru: обратное действие
3 a process of change which occurs when two or more substances are put together: (a) nuclear reaction; a chemical reaction between iron and acid.
az: reaksiya
ru: реакция