expand
Definition from Wiktionary, a free dictionary
Contents |
[edit] English
[edit] Etymology
Recorded since 1422, from Anglo-French espaundre, from Latin expandere "to spread out", itself from ex- "out" + pandere "to spread"
[edit] Verb
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Infinitive |
Third person singular |
Simple past |
Past participle |
Present participle |
to expand (third-person singular simple present expands, present participle expanding, simple past and past participle expanded)
- (transitive) To change (something) from a smaller form and/or size to a larger one.
- You can expand this compact umbrella to cover a large table.
- (transitive) To increase the extent, number, volume or scope of (something).
- (transitive) To express (something) at length and/or in detail.
- (transitive) (algebra) To rewrite (an expression) as a longer, yet equivalent sum of terms.
- Use the binomial theorem to expand (x + 1)4 to x4 + 4x3 + 6x2 + 4x + 1
- (intransitive) To (be) change(d) from a smaller form/size to a larger one.
- Many materials expand when heated.
- This compact umbrella expands to cover a large table.
- (intransitive) To (be) increase(d) in extent, number, volume or scope.
- (intransitive) To speak or write at length or in detail.
- He's so pedantic, he expands on everything!
- (intransitive) To feel generous or optimistic.
- (intransitive) (algebra) To be rewritten as a longer, yet equivalent sum of terms.
- The expression (x + 1)4 expands to x4 + 4x3 + 6x2 + 4x + 1.
[edit] Synonyms
- (to change from a smaller form/size to a larger one): open out, spread, spread out, unfold
- (to increase the extent, number, volume or scope of): enlarge
- (to express at length or in detail): elaborate (on), expand on
[edit] Antonyms
- (to change from a smaller form/size to a larger one): contract
- (to increase the extent, number, volume or scope of): contract
- (algebra: to rewrite as an equivalent sum of terms): factor
[edit] Derived terms
[edit] Related terms
[edit] Translations
Transitive
to change from a smaller form/size to a larger one
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to increase the extent, number, volume or scope of'
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to express at length or in detail
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algebra: to rewrite as an equivalent sum of terms
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Intransitive
to (be) change(d) from a smaller form/size to a larger one
to (be) increase(d) in extent, number, volume or scope
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to speak or write at length or in detail
to feel generous or optimistic
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algebra: to rewrite as an equivalent sum of terms
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