A reaction is an action performed or a feeling experienced in response to a situation or event. For example, my reaction to my university acceptance letter was extremely happy and excited. Or, my reaction to eating peanuts was a rash and hives, since I am allergic.
A reaction that can be described using a word
reaction = reacţie
The definition of Reaction is a emotional response.
Acid-base reaction.
Tagalog translation of reaction: damdamin
The root word of "reaction" is "react," which comes from the Latin word "re-" meaning "back" and "actio" meaning "action."
The word equation for the reaction of sodium with oxygen is: sodium + oxygen → sodium oxide.
Another word for the word answer is reply, response, reaction or retort.
That is how the word reaction was formed, from the word action!
Reaction
Re
A catalyst speeds up a reaction by lowering the activation energy of the reaction. It is not consumed by the reaction, but rather it leaves the reaction unchanged.