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Related to expanded: Expanded memory, expanded notation, expanded shale


v. ex·pand·ed, ex·pand·ing, ex·pands
1. To increase the size, volume, quantity, or scope of; enlarge: expanded her store by adding a second room. See Synonyms at increase.
2. To express at length or in detail; enlarge on: expanded his remarks afterward.
3. To open (something) up or out; spread out: The bird expanded its wings and flew off.
4. Mathematics To write (a quantity) as a sum of terms in an extended form.
1. To become greater in size, volume, quantity, or scope: Air expands when heated. This critic's influence is expanding.
2. To speak or write at length or in detail: expand on a favorite topic.
3. To open up or out; unfold: The chair expands to form a day bed.

[Middle English expanden, to spread out, from Latin expandere : ex-, ex- + pandere, to spread; see petə- in Indo-European roots.]

ex·pand′a·ble adj.
ex·pand′er n.


1. (Printing, Lithography & Bookbinding) Also: extended (of printer's type) wider than usual for a particular height. Compare condensed
2. (Chemistry) (of a plastic) having been foamed during manufacture by the introduction of a gas in order to make a light packaging material or heat insulator: expanded polystyrene. See also expanded metal


(ɪkˈspæn dɪd)

1. increased in area, bulk, or volume; enlarged; extended: an expanded version of a story.
2. (of a typeface) wider in proportion to its height. Compare condensed (def. 4).
ex•pand′ed•ness, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.expanded - increased in extent or size or bulk or scope
contracted - reduced in size or pulled together; "the contracted pupils of her eyes"


A. ADJ (Metal, Tech) → dilatado
B. CPD expanded polystyrene Npoliestireno m dilatado
References in classic literature ?
The kindly attitude of all about him expanded his quiet nature and he lost the half timid, hesitating manner he had always had with his people.
The expanded chest, full formed limbs, and grave countenance of this warrior, would denote that he had reached the vigor of his days, though no symptoms of decay appeared to have yet weakened his manhood.
As the enraptured Ichabod fancied all this, and as he rolled his great green eyes over the fat meadow lands, the rich fields of wheat, of rye, of buckwheat, and Indian corn, and the orchards burdened with ruddy fruit, which surrounded the warm tenement of Van Tassel, his heart yearned after the damsel who was to inherit these domains, and his imagination expanded with the idea, how they might be readily turned into cash, and the money invested in immense tracts of wild land, and shingle palaces in the wilderness.
However contracted, that definition is the result of expanded meditation.
Regarding the Sperm whale's head as a solid oblong, you may, on an inclined plane, sideways divide it into two quoins, whereof the lower is the bony structure, forming the cranium and jaws, and the upper an unctuous mass wholly free from bones; its broad forward end forming the expanded vertical apparent forehead of the whale.
There must, he says, be a lower class, given up to physical toil and confined to an animal nature; and a higher one thereby acquires leisure and wealth for a more expanded intelligence and improvement, and becomes the directing soul of the lower.
Nature has from the first expanded the minute blossoms of the forest only toward the heavens, above men's heads and unobserved by them.
We were of the old Florentine nobility"-- Rowena's heart gave a great bound, her nostrils expanded, and a fine light played in her eyes--"and when the war broke out, my father was on the losing side and had to fly for his life.
Presently a great jet of white smoke burst from the ferryboat's side, and as it expanded and rose in a lazy cloud, that same dull throb of sound was borne to the listeners again.
Then my sole relief was to walk along the corridor of the third storey, backwards and forwards, safe in the silence and solitude of the spot, and allow my mind's eye to dwell on whatever bright visions rose before it--and, certainly, they were many and glowing; to let my heart be heaved by the exultant movement, which, while it swelled it in trouble, expanded it with life; and, best of all, to open my inward ear to a tale that was never ended--a tale my imagination created, and narrated continuously; quickened with all of incident, life, fire, feeling, that I desired and had not in my actual existence.
The earlier dated were embarrassed and short; gradually, however, they expanded into copious love- letters, foolish, as the age of the writer rendered natural, yet with touches here and there which I thought were borrowed from a more experienced source.
The speckled skin under the toad's mouth mysteriously wrinkled itself, then slowly expanded again, as if he had swallowed the words just addressed to him.

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