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1. : expanse. 2. : the act or process of expanding. territorial expansion. economic expansion. expansion of the universe. 3. : the quality or state of being expanded. 4. : the increase in volume of working fluid (such as steam) in an engine cylinder after cutoff or in an internal combustion engine after explosion. 5. a. : an expanded part. b.
EXPANSION definition: 1. the increase of something in size, number, or importance: 2. the increase of something in size…. Learn more.
Expansion is the process of becoming greater in size, number, or amount. ...the rapid expansion of private health insurance. [ + of] ...a new period of economic expansion. The company has abandoned plans for further expansion. Synonyms: increase, development, growth, spread More Synonyms of expansion. More Synonyms of expansion.
An increase in the volume of a substance while its mass remains the same. 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.
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.
noun. OPAL W. /ɪkˈspænʃn/ [uncountable, countable] an act of increasing or making something increase in size, amount or importance. a period of rapid economic expansion. Despite the recession the company is confident of further expansion. The expansion of higher education will continue.
The meaning of EXPAND is to open up : unfold. How to use expand in a sentence. Synonym Discussion of Expand.
EXPAND definition: 1. to increase in size, number, or importance, or to make something increase in this way: 2. to…. Learn more.
Expand can describe the increasing size of something in height, width, length, scope, boundary, or any other measurable unit of size, as when you expand an app menu by clicking on a down arrow. To expand can also mean to stretch out or unfold, such as when a bird expands its wings when it gets ready to fly.
To expand is to spread out, usually in every direction: to expand one's chest. To dilate is especially to increase the width or circumference, and applies to space enclosed within confines or to hollow bodies: to dilate the pupils of the eyes.
