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
see (someone) to (somewhere)
to escort someone to a place safely
I saw my friend to the door when he decided to go home.