expansion

Meanings

1. 1
   noun

   a function expressed as a sum or product of terms

   the expansion of (a+b)^2 is a^2 + 2ab + b^2

2. 2
   noun

   An act, process, or instance of expanding.

   The expansion of metals and plastics in response to heat is well understood.

3. 3
   noun

   the act of increasing (something) in size or volume or quantity or scope

4. 4
   noun

   adding information or detail

5. 5
   noun

   a discussion that provides additional information

Etymology

Borrowed from French expansion, from Latin expānsiō. By surface analysis, expand + -sion.