n.
1.a group of symbols that make a mathematical statement
2.directions for making something
3.a conventionalized statement expressing some fundamental principle
4.a representation of a substance using symbols for its constituent elements
5.something regarded as a normative example
6.a liquid food for infants
7.(mathematics) a standard procedure for solving a class of mathematical problems
Idiom of the Day
in one's tracks
abruptly, immediately, exactly where one is at the moment
I stopped in my tracks when I saw the snake on the road.