Definition Definition

expansion - Meaning and Examples

Meaning of 'expansion' (Webster Dictionary)

1 . Expansion [ n.]
- The act of expanding or spreading out; the condition of being expanded; dilation; enlargement.
- That which is expanded; expanse; extend surface; as, the expansion of a sheet or of a lake; the expansion was formed of metal.
- Space through which anything is expanded; also, pure space.
- Enlargement or extension of business transactions; esp., increase of the circulation of bank notes.
- The developed result of an indicated operation; as, the expansion of (a + b)2 is a2 + 2ab + b2.
- The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston.
- The enlargement of the ship mathematically from a model or drawing to the full or building size, in the process of construction.

Meaning of 'expansion' (Princeton's WordNet)

1 . expansion [ n]
Meaning (1):
- a function expressed as a sum or product of terms
Example in sentence:
  • the expansion of (a+b)^2 is a^2 + 2ab + b^2