expansion

Meaning

Noun

• 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.

Related

Opposite words

• contraction, shrinkage

Origin

• From French expansion, from Latin expānsiō.