EXPAND

expand

(verb) become larger in size or volume or quantity; “his business expanded rapidly”

inflate, blow up, expand, amplify

(verb) exaggerate or make bigger; “The charges were inflated”

boom, thrive, flourish, expand

(verb) grow vigorously; “The deer population in this town is thriving”; “business is booming”

extend, expand

(verb) expand the influence of; “The King extended his rule to the Eastern part of the continent”

elaborate, lucubrate, expatiate, exposit, enlarge, flesh out, expand, expound, dilate

(verb) add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing; “She elaborated on the main ideas in her dissertation”

expand, spread out

(verb) extend in one or more directions; “The dough expands”

Source: WordNet® 3.1

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Etymology

Verb

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; to spread out or lay open.

(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 $\backslash (\{(x+1)\}^4\backslash )$.

(intransitive, algebra, of an expression) To become, by rewriting, a longer, yet equivalent sum of terms.

The expression $\backslash (\{(x+1)\}^4\backslash )$ expands to $\backslash (x^4\; +\; 4x^3\; +\; 6x^2\; +\; 4x\; +\; 1\backslash )$.

(transitive, arithmetic) To multiply both the numerator and the denominator of a fraction by the same natural number yielding a fraction of equal value

(intransitive) To change from a smaller form/size to a larger one.

(intransitive) To increase in extent, number, volume or scope.

(intransitive) To speak or write at length or in detail.

(intransitive) To feel generous or optimistic.

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

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

Source: Wiktionary

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Ex*pand", v. t. [imp. & p. p. Expanded; p. pr. & vb. n. Expanding.] Etym: [L. expandere, expansum; ex out + pandere to spread out, to throw open; perh. akin to E. patent. Cf. Spawn.]

1. To lay open by extending; to open wide; to spread out; to diffuse; as, a flower expands its leaves. Then with expanded wings he steers his flight. Milton.

2. To cause the particles or parts of to spread themselves or stand apart, thus increasing bulk without addition of substance; to make to occupy more space; to dilate; to distend; to extend every way; to enlarge; -- opposed to Ant: contract; as, to expand the chest; heat expands all bodies; to expand the sphere of benevolence.

3. (Math.)

Definition: To state in enlarged form; to develop; as, to expand an equation. See Expansion, 5.

Ex*pand", v. i.

Definition: To become widely opened, spread apart, dilated, distended, or enlarged; as, flowers expand in the spring; metals expand by heat; the heart expands with joy. Dryden.

Source: Webster’s Unabridged Dictionary 1913 Edition

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