expansion

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Related to Gas expansion: Isothermal expansion, Adiabatic expansion

ex·pan·sion

(eks-pan'shŭn),
1. An increase in size as of chest or lungs.
2. The spreading out of any structure (for example, a tendon)).
3. An expanse; a wide area.
[L. ex-pando, pp. -pansus, to spread out]

expansion

/ex·pan·sion/ (ek-span´shun)
1. the process or state of being increased in extent, surface, or bulk.
2. a region or area of increased bulk or surface.

clonal expansion  an immunological response in which lymphocytes stimulated by antigen proliferate and amplify the population of relevant cells.
dorsal digital expansion , extensor expansion extensor aponeurosis; a triangular aponeurotic extension of the digital extensor tendon on the dorsum of the proximal phalanx of each digit, to which the tendons of the lumbrical and interosseous muscles are also attached, forming a movable hood around the metacarpophalangeal joint.

expansion

[ekspan′shən]
Etymology: L, expandere, to spread out
1 the process or state of being increased in extent, surface, or bulk.
2 a region or area of increased bulk or surface.

ex·pan·sion

(eks-pan'shŭn)
1. An increase in size as of chest or lungs.
2. The spreading out of any structure, as a tendon.
3. An expanse; a wide area.
[L. ex-pando, pp. -pansus, to spread out]

ex·pan·sion

(eks-pan'shŭn)
1. An increase in size as of chest or lungs.
2. Spreading out of any structure (e.g., a tendon).
[L. ex-pando, pp. -pansus, to spread out]

expansion,

n an increase in extent, size, volume, or scope.
expansion, delayed (secondary expansion),
n 1. an expansion occurring in amalgam restorations as a result of moisture contamination.
n 2. an expansion exhibited by amalgam that has been contaminated by moisture during trituration or insertion.
expansion, dental arch,
n the therapeutic increase in circumference of the dental arch by buccal or labial movement of the teeth.
expansion, hygroscopic,
n an expansion, caused by absorption of water during setting of an investment, used to compensate for the shrinkage of metal from the molten to the solid state.
expansion, secondary,
n See expansion, delayed.
expansion, setting,
n an expansion that occurs during the setting or hardening of materials such as amalgam and gypsum products.
expansion, thermal,
n an expansion caused by heat. Thermal expansion of the mold is one of the important factors in achieving adequate compensation for the contraction of cast metal when it solidifies.
expansion, thermal coefficient,
n a number indicating the amount of expansion caused by each degree of temperature change. The rate of change in restorative materials and tooth substance should be relatively the same.
References in periodicals archive ?
On Mars, with the same initial conditions, the lower atmospheric pressure would cause much more gas expansion to accelerate the ejected fragments, and the lower atmospheric density would exert much less drag on them; also the lower gravity would allow them to travel farther for a given initial velocity.
Here, the polymer remains in the glassy state until it is heated, and thus temperature is the primary driving force for bubble nucleation while gas expansion governs growth.
nogaholding will also invest in the new gas plant project of the Bahrain National Gas Expansion Company ( BILLIONGEC), which is set to further increase gas processing capacity within Bahrain for the production of natural gas liquids (NGLs).
As the region remains on track with its massive oil and gas expansion initiatives, SAS, the leading provider of business intelligence and analytic software and services, is offering solutions that helps upstream, midstream and downstream companies in the Middle East O&G sector transform masses of data into operational intelligence.
But the rush everywhere for oil and gas expansion and refining projects regionally and worldwide has driven the cost madly upward to the unwarranted level of about $15 billion.
Some of the significant under-construction or recently completed growth projects Vaughan cited included the recently completed Cheyenne Plains Pipeline to transport 730 MMcf/d of Rocky Mountain supplies to the Mid-continent region; ANR Pipeline's Westleg Expansion to access new sources of supply and provide the enhanced reliability and flexibility needed to meet southern Wisconsin's growing energy requirements; and the Southern Natural Gas expansion of its Elba Island LNG terminal near Savannah, GA, to supply the growing demand for natural gas in the Southeast.
including the one guy who wanted specs on density, velocity and gas expansion rate.
Keith Johnson, founder and President of Endless Energy, stated, "The PowerVerde Gas Expansion Motor[TM] is unquestionably the most efficient pressure driven motor we have seen.
Close on the heels of the Master Gas Expansion II, GPC received in August this year a new major project from Saudi Aramco.
With the agreements we have signed in recent years with our neighboring countries such as Trinidad, Colombia, Aruba, Among others and with all the possibility of gas expansion and demand that exists in the region, this sector represents a great opportunity that we must also take advantage of and go for it in our Business Plan, "he said.
3 per cent in Gulf Petroleum Industries Corporation and full ownership of Bapco, the Bahrain National Gas Expansion Company and Tatweer Petroleum," said Shaikh Mohammed.
Earlier this year, nogaholding, in our first foray into syndicated credit markets received investments for setting up a $570 million Murabaha financing facility to support investment in large oil and gas projects in the kingdom, including the Bapco Modernisation Programme, LNG Import Terminal and Bahrain Gas Plant Project (part of Bahrain National Gas Expansion Company).