Edme Mariotte

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Mariotte, Edme

(ĕd`mə märyôt`), 1620?–1684, French physicist. His De la nature de l'air (1676) includes a statement of Boyle's law (see gas lawsgas laws,
physical laws describing the behavior of a gas under various conditions of pressure, volume, and temperature. Experimental results indicate that all real gases behave in approximately the same manner, having their volume reduced by about the same proportion of the
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), which he discovered independently and which is sometimes called Mariotte's law in France. One of the founders of experimental physics, Mariotte investigated a wide range of phenomena, including the motion of bodies, sound, hydrodynamics, barometry, color, and vision.
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Mariotte, Edme


Born 1620 (?), in Dijon; died May 12, 1684, in Paris. French physicist, member of the Paris Academy of Sciences from its founding (1666).

Mariotte was prior of a monastery near Dijon. He first described the blind spot in the eye (1668), and in 1676 he conducted experiments on the dependence of the elasticity of air on pressure and was the second to give a formulation of the law that had been discovered and published by R. Boyle in 1662. He was the first to use this law to determine the altitude of a point by barometric readings. He described numerous experiments on the flow of liquids through pipes and the operation of wells (1686). Mariotte also studied the phenomenon of the collision of bodies.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.