expansion

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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 July 19, 2005, before the start of trading, Avon issued a press release announcing that its earnings for the second quarter of 2005 would be below expectations because of two factors: (i) "an unexpected temporary decline in China as Beauty Boutique owners reacted with concern to the imminent resumption of direct selling in that country;" and (ii) "lower-than- anticipated revenue growth in Central and Eastern Europe resulting from underperformance of several key marketing offers as well as delayed expansion into new geographies within Russia.
BANKING giant HSBC has delayed expansion plans due to fears of a second downturn in the economy.
Among the CEOs surveyed, 35 percent have reduced spending, 28 percent have delayed expansion, 26 percent have experienced business cancellations, 21 percent have had to cancel travel and 18 percent have had to reduce staff as a direct result of 9/11.
The company had delayed expansion of its product into other regions until it was certain it could deliver the same accuracy level as it had in the Southeast.
Check all that apply) Lay-offs 11 11 Delayed expansion 26 27 Delayed hiring 13 14 Reduction in spending 32 33 None of the above 52 54 Other (___________) 2 2 Business Experienced as Result of 9/11 Freq.