contraction

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contraction,

in physics: see expansionexpansion,
in physics, increase in volume resulting from an increase in temperature. Contraction is the reverse process. When heat is applied to a body, the rate of vibration and the distances between the molecules composing it are increased and, hence, the space occupied by the
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.

contraction,

in writing: see abbreviationabbreviation,
in writing, arbitrary shortening of a word, usually by cutting off letters from the end, as in U.S. and Gen. (General). Contraction serves the same purpose but is understood strictly to be the shortening of a word by cutting out letters in the middle, the omission
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.

contraction

[kən′trak·shən]
(graphic arts)
A microfilm defect in the form of a compressed image that occurs when the film speed is reduced as the document passes through a rotary microfilmer.
(mathematics)
A function f from a metric space to itself for which there is a constant K that is less than 1 such that, for any two elements in the space, a and b, the distance between f (a) and f (b) is less than K times the distance between a and b.
(mechanics)
The action or process of becoming smaller or pressed together, as a gas on cooling.
(physiology)
Shortening of the fibers of muscle tissue.

contraction

Of concrete, the sum of volume changes occurring as the result of all processes affecting the bulk volume of a mass of concrete.

contraction

1. Physiol any normal shortening or tensing of an organ or part, esp of a muscle, e.g. during childbirth
2. Pathol any abnormal tightening or shrinking of an organ or part

contraction

References in periodicals archive ?
It can be observed that over the duration of the contraction phase of this cycle (January 2000 to April 2001) the rising trend absorbed the impact of the cyclic contraction such that no absolute decline is experienced (the trend-cycle remains above the level of the last trough).
In our study, the significant difference between post placebo and post sildenafil gallbladder volumes at the refilling phase (180 min) may be due to lesser gallbladder emptying at the contraction phase in the sildenafil group and the increasing effect of sildenafil on the dilating effects of NANC nerves.
t] denotes the probability that the composite index of leading indicators is in its contraction phase at time t, then (1) [P.
The location of an office market in the contraction phase basically implies that income growth should continue, but at a lesser rate than in the expansion phase.
By 2003, the total proportion of the retail market positioned in the contraction phase is expected to rise beyond 80 percent.
The weak GDP data ended up supporting the view that (the Japanese economy) has been in a contraction phase since late last year,'' Masaaki Kanno, chief economist at JPMorgan Securities, said.
TOKYO - Japan's longest period of postwar economic expansion may have ended, the government suggested in its monthly report released on Thursday that also underlined the possibility the economy has entered a contraction phase.
Market players were also worried about Japan's cloudy economic outlook, reinforced by a government report released Thursday suggesting that the Japanese economy has entered a contraction phase, brokers said.
The Tokyo market was also weighed down by lingering worries about Japan's economic outlook, reinforced by a government report released Thursday suggesting the Japanese economy has entered a contraction phase, brokers said.
If the index of coincident economic indicators, due to be announced next Tuesday, slips below the 50 percent line for the third straight month, economists will think the nation's economy has entered a contraction phase.
economy will soon enter into a contraction phase, sparking selling pressure for the U.
This latent variable switches regimes following a two-state Markov process, which represents expansion and contraction phases of the business cycle.