One entry found for
expansion.
Main Entry:
ex·pan·sion 
Pronunciation:
ik-
span-ch
n
Function:
noun
1 : the act of expanding
2 : the state of being expanded
3 : something expanded or a result of expanding
4 : the result of carrying out indicated mathematical operations <the
expansion of (
a + b)
2 is
a2 + 2
ab +
b2>