What is the meaning of Expansion?

An act, process, or instance of expanding.

The fractional change in unit length per unit length per unit temperature change.

A new addition.

A product to be used with a previous product.

That which is expanded; expanse; extended surface.

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 replacement of a short name (e.g., acronym, initialism, alphanumeric symbol, abbreviation) with the longer name that is synonymous with it, as when spelling out acronyms to ensure clarity for a general audience.

The string of text thus substituted.

Short for expansion pack.

expansion

expansion

Source: wiktionary.org