The meaning of EXPANSION is expanse. How to use expansion in a sentence. EXPANSION definition: 1. the increase of something in size, number, or importance: 2. the increase of something in size…. Learn more. Expansion is usually due to heating. When substances are heated, the molecular bonds between their particles are weakened, and the particles move faster, causing the substance to expand.

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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 … Economics Expansion (economics), an increase in the market value of an economy over time Borrowed from French expansion, from Latin expānsiō. By surface analysis, expand +β€Ž -sion. Expansion: Directed by Jean-ClΓ©ment Gunter. With GrΓ©gory Bakian, Mehdi Boccard, Dadyday, Alain Darne. What are these huge forms suddenly appearing in the sky? Why did the children-monks of the …

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