#1
expansion n. [
enlargement] the act of increasing (something) in size or volume or quantity or scope
. wn #2
expansion n. a function expressed as a sum or product of terms; "the expansion of (a+b)^2 is a^2 + 2ab + b^2"
. wn #3
expansion n. [
enlargement, elaboration] a discussion that provides additional information
. wn #4
expansion n. [
expanding upon] adding information or detail
. wn