expansion

nouns

the act of increasing (something) in size or volume or quantity or scope
antonym
a function expressed as a sum or product of terms
"the expansion of (a+b)^2 is a^2 + 2ab + b^2"
domain category
a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
is a type of (narrower)
(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
a discussion that provides additional information
is derived from
adding information or detail
is derived from