expansion

B2 Topic:Numbers & Quantity

US /ɪkˈspænʃən/ See IPA manual

noun Freq #10252

Meanings

1

noun
The act or process of becoming larger in size, amount, or extent.

The expansion of metals in response to heat is well understood.
2

noun
The act of adding more information or detail to something.

His essay was an expansion of the ideas he raised in class.

Thesaurus

Synonyms

1 noun · the act or process of... enlargement

2 noun · the act of adding more... elaboration

Opposites

contraction shrinkage

Word family

Forms expansions

Derived forms alloexpansionantiexpansioncoexpansioncompansionego-expansionexpansinexpansionalexpansionaryexpansionismexpansionistexpansionlesshyperexpansion

Related forms expand expanse expansive

Etymology

Borrowed from French expansion, from Latin expānsiō. By surface analysis, expand + -sion.

expānsiō Latin

View etymology graph ->

Topics

Numbers & Quantity

# expansion

**Type:** Word
**Level:** B2
**Part of speech:** noun
**IPA (US):** ɪkˈspænʃən
**Frequency rank:** 10252

## Meanings
1. The act or process of becoming larger in size, amount, or extent.
2. The act of adding more information or detail to something.

## Examples
- The expansion of metals in response to heat is well understood.
- His essay was an expansion of the ideas he raised in class.

## Antonyms
- contraction
- shrinkage

## Derived Forms
- alloexpansion
- antiexpansion
- coexpansion
- compansion
- ego-expansion
- expansin
- expansional
- expansionary
- expansionism
- expansionist
- expansionless
- hyperexpansion

## Related Forms
- expand
- expanse
- expansive

## Roots and Affixes
- Root: expānsiō
- Affix: -sion - act

## Etymology
Borrowed from French expansion, from Latin expānsiō. By surface analysis, expand + -sion.

## AI Etymology
Expansion is borrowed from French expansion, from Latin expānsiō. By surface analysis, expand + -sion. In current use, the main senses are “The act or process of becoming larger in size, amount, or extent” and “The act of adding more information or detail to something”.

## Topics
- Numbers & Quantity

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expansion

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