expand
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Động từ
verb- 1.
(transitive)To change (something) from a smaller form or size to a larger one; to spread out or lay open.
You can expand this compact umbrella to cover a large table.
- 2.
(transitive)To increase the extent, number, volume or scope of (something).
A flower expands its leaves.
- 3.
(transitive)To express (something) at length and/or in detail.
- 4.
(transitive)(transitive, algebra) To rewrite (an expression) as a longer, yet equivalent, sum of terms.
Use the binomial theorem to expand #123;(x#43;1)#125;⁴.
- 5.
(intransitive)(intransitive, algebra, of an expression) To become, by rewriting, a longer, yet equivalent, sum of terms.
The expression #123;(x#43;1)#125;⁴ expands to x⁴#43;4x³#43;6x²#43;4x#43;1.
- 6.
(transitive)(transitive, arithmetic) To multiply both the numerator and the denominator of a fraction by the same (non-zero) number (which yields a fraction of equal value).
Expanding 4#47;7 by 3 gives 12#47;21.
- 7.
(intransitive)To change or grow from smaller to larger in form, number, or size.
Many materials expand when heated.
This compact umbrella expands to cover a large table.
- 8.
(intransitive)To increase in extent, number, volume or scope.
- 9.
(intransitive)To speak or write at length or in detail.
He expanded on his plans for the business.
- 10.
(intransitive)To feel generous or optimistic.
- 11.
(transitive)(transitive, computing) In a hierarchical list (such as a directory tree or table of contents), to show the subentries of (an entry).
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ine-pro Recorded in Middle English - since 1422 (as expanden, expaunden), from espaundre, from Latin expandō (to spread out), itself from ex- (out, outwards) + pandō (to spread). spawn.