n.
1.the atomic process that occurs during a chemical reaction
2.the technical aspects of doing something
3.a natural object resembling a machine in structure or function
4.(philosophy) the philosophical theory that all phenomena can be explained in terms of physical or biological causes
5.device consisting of a piece of machinery
Idiom of the Day
too bad
worthy of sorrow or regret
It is too bad that the university decided to close the bookstore last year.