expansion   (Sound)

The noun expansion has 4 senses

• expansion, enlargement -- (the act of increasing (something) in size or volume or quantity or scope)


• expansion -- (a function expressed as a sum or product of terms; "the expansion of (a+b)^2 is a^2 + 2ab + b^2")


• expansion, enlargement, elaboration -- (a discussion that provides additional information)


• expansion, expanding upon -- (adding information or detail)