nitrate . ( Of nitro and -ato 2 ). 1. m. Quím. Salt formed by the combination of nitric acid with a base. nitrate of ammonium. 1. m. Quím. Colourless solid that forms crystals deliquescent and hygroscopic, soluble in water and alcohol, which is broken down by heat producing hilarious gas. It has use as oxidizer and flux of metals, and is used for the production of refrigeration mixtures, fertilizers and explosives. nitrate of Chile. 1. m. Quím. Natural manure formed by a mixture of nitrates and extracted from the caliche, found in sites located in the desert area of the North of Chile. nitrate of potassium. 1. m. Quím. Solid crystalline and colorless, soluble in water, alcohol and glycerine, of oxidizing power. It has use in the manufacture of glass, wicks, gunpowder and solid fuels for ballistic missiles and the development of tobacco, to marinate meats as fertilizer. nitrate of sodium. 1. m . Quím. Hygroscopic crystalline solid, which is the main component of Chile nitrate , which is obtained. It is a very strong oxidizing agent, and has use in the glass industry, in pyrotechnics and as fertilizer.