- (n.) Enlargement or extension of business transactions; especially, increase of the circulation of bank notes.
- (n.) That which is expanded; expanse; extend surface; as, the expansion of a sheet or of a lake; the expansion was formed of metal.
- (n.) The act of expanding or spreading out; the condition of being expanded; dilation; enlargement.
- (n.) 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.
- (n.) Space through which anything is expanded; also, pure space.
- (n.) The developed result of an indicated operation; as, the expansion of (a + b)2 is a2 + 2ab + b2.
- (n.) The enlargement of the ship mathematically from a model or drawing to the full or building size, in the process of construction.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). expansion. Retrieved September 23, 2026, from http://smartdefine.org/expansion/definitions/2006015 |
| Chicago | Webster's. 2011. "expansion" http://smartdefine.org/expansion/definitions/2006015 (accessed September 23, 2026). |
| Harvard | Webster's 2011, expansion, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/expansion/definitions/2006015>. |
| MLA | Webster's. "expansion" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/expansion/definitions/2006015> |