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expand [ ex·pand ]

[
US
ɪkˈspænd ]
[
UK
ɪkˈspænd ]
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Verb

1. Become or make larger or more extensive.

their business expanded into other hotels

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2. (of the universe) undergo a continuous change whereby, according to theory based on observed red shifts, all the galaxies recede from one another.

Eventually, gravity causes these denser regions to collapse to form stars and galaxies as the universe expands.

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3. (expand on) Give a fuller version or account of.

He expands on the theme, and I agree entirely.

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4. Become less reserved in character or behaviour.

Alice opened and expanded in this normality

Origin

1. Late Middle English from Latin expandere ‘to spread out’, from ex- ‘out’ + pandere ‘to spread’.

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