0°C on a centigrade thermometer is the temperature at which water freezes; but ice has some heat, e. g. ice is hotter than liquid air. At absolute zero there is no movement of the molecules and so no heat at all; -273. 16°C; O°K; 459. 69°F; 0°R
H. J. Porter (Chairman - Technical Committee), Dictionary of Fire Technology, The Institution of Fire Engineers, The Victory Press (Leicester) Ltd. 1979 UK. (Fr Tech - Brit) {81}