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3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Expand \Ex*pand"\, v. i. 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. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Expand \Ex*pand"\, v. t. [imp. & p. p. {Expanded}; p. pr & vb n. {Expanding}.] [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 {contract}; as to expand the chest; heat expands all bodies; to expand the sphere of benevolence. 3. (Math.) To state in enlarged form to develop; as to expand an equation. See {Expansion}, 5. From WordNet r 1.6 [wn]: expand v 1: extend in one or more directions; "The dough expands" [syn: {spread out}] 2: become larger in size or volume or quantity; "his business expanded rapidly"; "The bag will expand when pressure is lowered" 3: make bigger or wider in size, volume, or quantity; "expand the house by adding another wing" 4: grow stronger; "The economy was booming" [syn: {boom}, {prosper}, {thrive}, {get ahead}, {flourish}] 5: exaggerate or make bigger; "The charges were inflated" [syn: {inflate}, {blow up}, {amplify}] 6: elaborate or expatiate upon give details; "She elaborated on her plans" [syn: {elaborate}, {expatiate}, {enlarge}, {flesh out}, {expound}, {dilate}] 7: expand the influence of "The King extended his rule to the Eastern part of the continent" [syn: {extend}]
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