Mpemba effect

English Etymology Named after Tanzanian student Erasto Mpemba, who published on the topic in the 1960s. Proper noun Mpemba effect 1 The supposed tendency of warmer (and/or previously warmed) liquids or colloids (especially water) to freeze more quickly than cooler ones under at least some conditions. en 2012 Elizabeth H. Oakes Heat and Thermodynamics Infobase Learning 9781438141411 38 Scientists as yet have been unable to fully explain the mechanism behind the Mpemba effect. It is a combination of a variety of heat transfer methods, and those combinations change under different conditions of water and en eponyms en Liquids Physics Temperature Water