What does expansion Mean?

the act or process of expanding. the state or quality of being expanded. the amount or degree of expanding. an expanded, dilated, or enlarged portion or form of a thing: The present article is an expansion of one he wrote last year. anything spread out; expanse. Mathematics.

How do you use expansion in a sentence?

Use expansion in a sentence. noun. Expansion is defined as the act of getting bigger or something added onto something else. An example of an expansion is an extra three rooms built onto a house.

What does expansion mean in pastry?

Expansion is what happens when something becomes bigger or more extensive. If you enjoy good pastry, you will be excited by the expansion of the bakery, but be careful or you will also see the expansion of your waistline. The noun expansion is from the Latin word expansionem, which means a spreading out.

What does expansion do in an engine?

Expansion is the part of an engine cycle in which the fluid increases in volume and makes a part such as a piston or flywheel move. The expansion of the gas pushes the piston inside the cylinder. The expansion of the gas causes the piston to move.