ammonia - a colourless, pungent gas, bp -33.5°C, extremely soluble in water and very soluble in alcohol. Formed by bacterial decomposition of protein, purines and urea. Obtained mainly by the Haber process. Forms salts with most acids, and nitrides with metals. The liquefied gas is used as a refrigerant., ammoniaak - iseloomuliku terava lõhnaga värvuseta gaas
