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The Collaborative International Dictionary of English v.0.48 (gcide)

Dilated \Di*lat"ed\, a.
1. Expanded; enlarged. --Shak.
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2. (Bot.) Widening into a lamina or into lateral winglike
appendages.
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3. (Zool.) Having the margin wide and spreading.
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Dilate \Di*late"\ (?; 277), v. t. [imp. & p. p. {Dilated}; p.
pr. & vb. n. {Dilating}.] [L. dilatare; either fr. di- = dis-
latus wide, not the same word as latus, used as p. p. of
ferre to bear (see {Latitude}); or fr. dilatus, used as p. p.
of differre to separate (see {Delay}, {Tolerate}, {Differ},
and cf. {Dilatory}): cf. F. dilater.]
1. To expand; to distend; to enlarge or extend in all
directions; to swell; -- opposed to {contract}; as, the
air dilates the lungs; air is dilated by increase of heat.
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2. To enlarge upon; to relate at large; to tell copiously or
diffusely. [R.]
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Do me the favor to dilate at full
What hath befallen of them and thee till now.
--Shak.

Syn: To expand; swell; distend; enlarge; spread out; amplify;
expatiate.
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expanded \expanded\ adj.
increased in extent or size or bulk or scope. Opposite of
{contracted}. [Narrower terms: {blown-up, enlarged};
{dilated}; {distended, swollen}; {inflated}]
[WordNet 1.5]

2. (Printnig) wider than usual for a particular height; -- of
printers' type. Contrasted with {condensed}.

Syn: extended.
[WordNet 1.5]