Free translatorFree translator
Synonyms, antonyms, pronunciation

  Home 		English Dictionary      examples: 'day', 'get rid of', 'New York Bay'




Expansion   /ɪkspˈænʃən/  /ɪkspˈæntʃən/   Listen
noun
Expansion  n.  
1.
The act of expanding or spreading out; the condition of being expanded; dilation; enlargement.
2.
That which is expanded; expanse; extend surface; as, the expansion of a sheet or of a lake; the expansion was formed of metal. "The starred expansion of the skies."
3.
Space through which anything is expanded; also, pure space. "Lost in expansion, void and infinite."
4.
(Economics & Commmerce) An increase in the production of goods and services over time, and in the volume of business transactions, generally associated with an increase in employment and an increase in the money supply. Opposite of contraction.
Synonyms: economic expansion.
5.
(Math.) The developed result of an indicated operation; as, the expansion of (a + b)^(2) is a^(2) + 2ab + b^(2).
6.
(Steam Engine) The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston.
7.
(Nav. Arch.) The enlargement of the ship mathematically from a model or drawing to the full or building size, in the process of construction. Note: Expansion is also used adjectively, as in expansion joint, expansion gear, etc.
8.
An enlarged or extended version of something, such as a writing or discourse; as, the journal article is an expansion of the lecture she gave.
9.
An expansion joint. See below. (Colloq. or jargon)
Expansion curve, a curve the coördinates of which show the relation between the pressure and volume of expanding gas or vapor; esp. (Steam engine), that part of an indicator diagram which shows the declining pressure of the steam as it expands in the cylinder.
Expansion gear (Steam Engine). a cut-off gear.
Automatic expansion gear or Automatic cut-off, one that is regulated by the governor, and varies the supply of steam to the engine with the demand for power.
Fixed expansion gear, or Fixed cut-off, one that always operates at the same fixed point of the stroke.
Expansion joint, or Expansion coupling (Mech. & Engin.), a yielding joint or coupling for so uniting parts of a machine or structure that expansion, as by heat, is prevented from causing injurious strains; as:
(a)
A slide or set of rollers, at the end of bridge truss, to support it but allow end play.
(b)
A telescopic joint in a steam pipe, to permit one part of the pipe to slide within the other.
(c)
A clamp for holding a locomotive frame to the boiler while allowing lengthwise motion.
(d)
a strip of compressible material placed at intervals between blocks of poured concrete, as in roads or sidewalks.
Expansion valve (Steam Engine), a cut-off valve, to shut off steam from the cylinder before the end of each stroke.





Collaborative International Dictionary of English 0.48


Advanced search
     Find words:
Starting with
Ending with
Containing
Matching a pattern  

Synonyms
Antonyms
Quotes
Words linked to  

only single words


Share |




"Expansion" Quotes from Famous Books



... England emphasized a distinct type: the old maid. She has been studied in that section as in no other quarter of the world. Expansion and emigration after the Civil War drew very heavily upon the declining Puritan stock; and naturally the young men left their native farms and villages more numerously than the young women, who remained behind and in many cases never married. Local fiction fell very largely into the hands of women—Harriet ...
— Contemporary American Novelists (1900-1920) • Carl Van Doren
... isomerism and allotropism, on diamagnetism, magnetic induction, and electric "currents," on the sources of heat, on the chemical and thermal spectra, on the correlation and equivalence of the forces, on the theory of ozone, on the exceptional expansion of water and the supposed complexity of its atom, on the structure of flame, on the constitution of salts, on the colloid condition of matter, on types and compound radicles, on the dynamics of vegetable growth and the production of animal ...
— Atlantic Monthly,Volume 14, No. 82, August, 1864 - A Magazine Of Literature, Art, And Politics • Various
... the white of the eye; the circular, tough, and coloured, yet pellucid, cornea, in the centre of which is seen the pupil; the choroid, full charged with black pigment, and lining the sclerotic; the retina, an expansion of the optic nerve, lining in its turn the choroid; of the iris, a flat membrane, dividing the eye into two very unequally-sized chambers; of a lens termed the crystalline, suspended in the posterior chamber immediately behind the iris; and of two humours (also virtual lenses), ...
— Old-Fashioned Ethics and Common-Sense Metaphysics - With Some of Their Applications • William Thomas Thornton
... might be devoted to warehouses and offices. In these quiet corners of the West such temptations have not presented themselves; population is thin, and there is little call for the destructiveness of expansion; mediaevalism may still be found here, in the streets and byways, in the houses, and sometimes in the people. The chief peril is in the intrusion of the summer holiday and the "week-end." Irreparable damage is sometimes prompted by the desire to attract visitors. But those who come to the ...
— The Cornwall Coast • Arthur L. Salmon
... about machinery that I dinna ken, Mr. Murray, from a forty thousand horse power quadruple expansion doon to a freewheel bicycle. (Proudly.) I hae done spells work at all of ...
— The Drone - A Play in Three Acts • Rutherford Mayne


More quotes...


Copyright © 2024 Free Translator.org