Etymology : Middle English expaunden, from Latin expandere, from ex- + pandere to spread; more at FATHOM
Pronunciation : ik-spand
Function : verb
Date : 15th century
1. spread out, grow larger; broaden. 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.].
2. 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.
3. 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.
4. (math.) to state in enlarged form; to develop; as, to expand an equation. see:
expansion, 5.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.expand v.
5. extend in one or more directions; "the dough expands" [syn: spread out].
6. become larger in size or volume or quantity; "his business expanded rapidly"; "the bag will expand when pressure is lowered".
7. make bigger or wider in size, volume, or quantity; "expand the house by adding another wing".
8. grow stronger; "the economy was booming" [syn: boom, prosper, thrive, get ahead, flourish].
9. exaggerate or make bigger; "the charges were inflated" [syn: inflate, blow up, amplify].
10. add details, as to an account or idea; clarify the meaning of; "she elaborated on the main ideas in her dissertation" [syn: elaborate, expatiate, exposit, enlarge, flesh out , expound, dilate].
11. expand the influence of; "the king extended his rule to the eastern part of the continent" [syn: extend].
12. To lay open by extending; to open wide; to spread out; to diffuse; as, a flower expands its leaves.
13. 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.
14. To state in enlarged form; to develop; as, to expand an equation.
15. See Expansion, 5.
16. 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. become larger in size or volume or quantity; "his business expanded rapidly" make bigger or wider in size, volume, or quantity; "expand the house by adding another wing" extend in one or more directions; "The dough expands".
17. 1. If something expands or is expanded, it becomes larger. Engineers noticed that the pipes were not expanding as expected We have to expand the size of the image. a rapidly expanding universe. strips of expanded polystyrene.
18. If something such as a business, organization, or service expands, or if you expand it, it becomes bigger and includes more people, goods, or activities. The popular ceramics industry expanded towards the middle of the 19th century Health officials are proposing to expand their services by organising counselling.
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