Dictionary Check: expansion
"expansion" is a valid word!
Scrabble
18
points
Words with Friends
21
points
Definition
noun
the act of increasing (something) in size or volume or quantity or scope
noun
a function expressed as a sum or product of terms
Example:
"the expansion of (a+b)^2 is a^2 + 2ab + b^2"
noun
a discussion that provides additional information
noun
adding information or detail
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