Expand meaning

ĭk-spănd
To spread out; open out; stretch out; unfold.

The eagle expanded its wings.

verb
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To express at length or in detail; enlarge on.

Expanded his remarks afterward.

verb
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To work out or show the full form of (a contraction, mathematical equation, etc.)
verb
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To become greater in size, volume, quantity, or scope.

Air expands when heated. This critic's influence is expanding.

verb
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To speak or write at length or in detail.

Expand on a favorite topic.

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To become expanded; spread out, unfold, enlarge, etc.
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Expand is defined as to increase in size, unfold or spread out.

An example of expand is someone making friends at a party.

An example of expand is a pregnant woman's belly.

An example of expand is someone gathering more knowledge about a topic.

verb
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To open up or out; unfold.

The chair expands to form a day bed.

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To make greater in size, bulk, scope, etc.; enlarge; dilate; extend.
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To enlarge upon (a topic, idea, etc.); develop in detail.
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To become affable, warmly communicative, etc.
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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.

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To increase the extent, number, volume or scope of (something).

A flower expands its leaves.

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To express (something) at length and/or in detail.
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(algebra) To rewrite (an expression) as a longer, yet equivalent sum of terms.

Use the binomial theorem to expand to.

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(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.

verb
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(intransitive) To (be) increase(d) in extent, number, volume or scope.
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(intransitive) To speak or write at length or in detail.

He's so pedantic, he expands on everything!

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(intransitive) To feel generous or optimistic.
verb
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To increase the size, volume, quantity, or scope of; enlarge.

Expanded her store by adding a second room.

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To open (something) up or out; spread out.

The bird expanded its wings and flew off.

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(mathematics) To write (a quantity) as a sum of terms in an extended form.
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Origin of expand

  • Middle English expanden to spread out from Latin expandere ex- ex- pandere to spread petə- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Recorded in Middle English since 1422, from Anglo-Norman espaundre, from Latin expandere present active infinitive of expandō (“to spread out”), itself from ex- (“out, outwards”) + pandō (“to spread”).

    From Wiktionary