Definition of expansion :
1. Enlargement or extension of business transactions; esp., increase of the circulation of bank notes.
2. Space through which anything is expanded; also, pure space.
3. That which is expanded; expanse; extend surface; as, the expansion of a sheet or of a lake; the expansion was formed of metal.
4. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement.
5. The developed result of an indicated operation; as, the expansion of ( a + b) 2 is a2 + 2ab + b2.
6. The enlargement of the ship mathematically from a model or drawing to the full or building size, in the process of construction.
7. 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.
addition (part of speech: noun)
increase (part of speech: noun)
expansion (part of speech: noun)
- The amount of expansion due to hardening is variable, but increases with the thickness of the die. - "Modern Machine-Shop Practice, Volumes I and II", Joshua Rose.
- Equally momentous were the times in Europe, where the attempt to secure opportunities of expansion as well as larger liberty for the individual took quite different form. - "Edison, His Life and Inventions", Frank Lewis Dyer and Thomas Commerford Martin.
- The growth and expansion of the Negro population in the United States must be the controlling factor in the many complex problems to which his presence gives rise. - "The Negro and the elective franchise. A Series Of Papers And A Sermon (The American Negro Academy. Occasional Papers, No. 11.)", Archibald H. GrimkÃ©, Charles C. Cook, John Hope, John L. Love, Kelly Miller, and Rev. Frank J. GrimkÃ©.