dilation

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dilation

[də′lā·shən]
(mathematics)
A transformation which changes the size, and only the size, of a geometric figure.
An operation that provides a relatively flexible boundary to a fuzzy set; for a fuzzy set A with membership function mA, a dilation of A is a fuzzy set whose membership function has the value [mA (x)]βfor every element x, where β is a fixed number that is greater than 0 and less than 1.
(science and technology)
The act or process of stretching or expanding.
References in periodicals archive ?
with equality if and only if K and L are dilates. When j = n, (21) becomes Lutwak's dual Brunn-Minkowski inequality (36).
Other than the necessity of fission, the move to dilate the body, according to Barba, always involves "the rupture": "this rupture of automatisms is not expression.
Today, doctors use the drug atropine, a purified extract of the plant Atropa belladonna (beautiful woman), to dilate pupils before eye examinations and procedures.
In non-smokers, the tourniquet stimulated blood vessels in the arm to dilate - but smokers' blood vessels were virtually unchanged.
Amac: Anjiyografik olarak normal koroner arterleri olan idiyopatik dilate kardiyomiyopatili hastalarm koroner kan akimlarini TIMI kare sayisi ile degerlendirmeyi ve saglikli bireylerin sonuclariyla karsilastirmayi amacladik.
Yohimbine, a compound extracted from the bark, is a prescription drug approved by the Food and Drug Administration (FDA) to dilate (widen) the pupils of eyes.
This lowers blood pressure by causing blood vessels to dilate (like Viagra does).
London, Mar 10 (ANI): When people make decisions, their pupils dilate, a cue that could be used to predict a person's intentions, says a new research.
Periodically, however, those vessels will briefly dilate, sending blood through the skin to keep the tissue from freezing.
The materials prevented the adhesion of platelets around sensors implanted in dogs' arteries and also seemed to dilate those blood vessels, helping blood to flow more freely.
A study at St James' Hospital in Dublin found that two cans of it caused some of the arteries in the body to dilate and others to become stiffer.