n.
1.any specific activity
2.the state of being active
3.an organic process that takes place in the body
4.(chemistry) the capacity of a substance to take part in a chemical reaction
5.a process existing in or produced by nature (rather than by the intent of human beings)
6.the trait of being active
Idiom of the Day
a regular guy
a friendly person who everyone gets along with
The mayor of the city is a regular guy and is well-liked by most people.