شبكة الكلمة: reaction

a series of chemical reactions in which the product of one is a reactant in the next

(chemistry) a process in which one or more substances are changed into others

To behave or change in a particular way because of something that has happened or been said. It often involves an immediate physical, emotional, or chemical response to a stimulus.

hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity

the time that elapses between a stimulus and the response to it