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Noun: expansion  ik'span-shun or ek'span-shun
  1. The act of increasing (something) in size, volume, quantity or scope
    - enlargement
     
  2. (mathematics) a function expressed as a sum or product of terms
    "the expansion of (a+b)expansion2 is aexpansion2 + 2ab + bexpansion2"
     
  3. A discussion that provides additional information
    - enlargement, elaboration
     
  4. Adding information or detail
    - expanding upon

Derived forms: expansions

Type of: discourse, discussion, function, increase, map, mapping, mathematical function, single-valued function, step-up, treatment

Antonym: contraction

Encyclopedia: Expansion