Oxus
AMOO, AMOO-DARIA, or JIHOON, a large river in Central Asia, which has its sources between the Thian Shan and Hindu Kush ranges in the elevated region known as the Pamir, flows W. through a broad valley, receiving many affluents, and N. W. through the deserts of W. Turkestan, bordering on or belonging to Bokhara and Khiva, to the S. extremity of the Sea of Aral, where it forms an extensive marshy delta. The principal head-stream of C. This temperature is capable of fusing highly refractory substances, and even of of bringing platinum to the boiling point. The original "limelight" was produced by directing an oxyhydrogen flame against lime. For industrial uses, the oxyhydrogen blowpipe has been almost entirely superseded by the oxyacetylene burner, which depends on similar principles, acetylene being substituted for hydrogen.