eprouvet te

[Fr., from éprouver = to try, to prove, to test.] 1. Mil .. An apparatus for proving the strength of gunpowder. 2. Metal .: A flux-spoon; a spoon for sampling an a ay. Ép-som, s. & a [Eng. Epsom [A.], * Ebbasham = A. S. Ebbas Ebba's , and ham =home.] A. As substantive : Geog.: A market-town and parish in Surrey, England, about fifteen miles S. W. by S. from London. In 1618 certain mineral springs were discovered in it, with the result of making Epsom a watering place. The "Derby" is run in the vicinity. B. As adj .: Found at, derived from, or in any way pertaining to the place named, mentioned under A. Epsom-salts, s . pl . 1. Min .: The same as Epsomite (q. v.). 2. Pharm.: Magnesiæ sulphas, magnesium sulphate, MgSO4.7H2O. It is soluble in water, and is used as a saline purgative; with infusion of senna it forms the ordinary black draught. It causes a free secretion of watery fluid from the intestinal canal.