FUSIBLE METAL • DICCIONARIO INGLES.COM • Definition of Fusible metal

... that the breaking stress of an iron wire is more than doubled when the wire is cooled to the temperature of liquid air, and all other metals are largely strengthened, though none other to quite the same degree. He found that a spiral spring of fusible metal, which at ordinary temperature was quickly drawn out into a straight wire by a weight of one ounce, would, when cooled to -182 deg, support a weight of two pounds, and would vibrate like a steel spring so long as it was cool. A ...

— A History of Science, Volume 5(of 5) - Aspects Of Recent Science • Henry Smith Williams

... any one. As soon as the sprinkler becomes heated to 155 degrees, the cap will become unsoldered, and will then immediately be blown entirely off by the force of the water in the pipes and sprinkler. These caps cannot remain on after the fusible metal melts, if there is the least force of water. A man's breath is ...

— Scientific American Supplement, No. 363, December 16, 1882 • Various