Definition of Expansion. Meaning of Expansion. Synonyms of Expansion
Here you will find one or more explanations in English for the word Expansion. Also in the bottom left of the page several parts of wikipedia pages related to the word Expansion and, of course, Expansion synonyms and on the right images related to the word Expansion.
Definition of Expansion
ExpansionExpansion Ex*pan"sion, n. [L. expansio: cf. F. expansion.]
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. --Beattie.
3. Space through which anything is expanded; also, pure
Lost in expansion, void and infinite. --Blackmore.
4. (Com.) Enlargement or extension of business transactions;
esp., increase of the circulation of bank notes.
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
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. --Ham. Nav. Encyc.
Note: Expansion is also used adjectively, as in expansion
joint, expansion gear, etc.
Expansion curve, a curve the co["o]rdinates 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. See Illust.
of Link motion.
Automatic expansion gear or 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 by heat, is
prevented from causing injurious strains; as:
(a) A side 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.
Expansion valve (Steam Engine), a cut-off valve, to shut
off steam from the cylinder before the end of each stroke.
Meaning of Expansion from wikipedia
, a French monthly business magazine Expansion
(album), by American
Dave Burrell, released
in 2004 Expansions...
- Thermal expansion
is the tendency
its shape, area, volume, and density
to a change
in temperature, usually
- In expansionism
and states expand their
territory, power, wealth
or influence through economic
growth, soft power, military...
into yet more stages
efficiency. The result
is the multiple-expansion
engine. Such engines
use either three
or four expansion
- An expansion
team is a new team in a sports
from a city that has not hosted
a team in that league
with the intention
- An economic expansion
is an increase
in the level
activity, and of the goods
available. It is a period
of economic growth
- The expansion
of the universe
is the increase
in distance between
any two given gravitationally unbound parts
of the observable universe
with time. It...
- Viking expansion
was the historical movement which
and warriors, the latter known
in modern scholarship
as Vikings, to sail...
- An expansion
tank or expansion vessel
is a small
tank used to protect closed
(not open to atmospheric
pressure) water heating systems
- The Bantu expansion
was a major series
of the original
Proto-Bantu-speaking group, which spread
from an original nucleus around
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