rolling boil

== English == === Etymology === Because the convection within the liquid produces strong currents that tend to swirl rapidly in circular patterns from bottom to surface and back again. === Pronunciation === === Noun === rolling boil (plural rolling boils) (cooking) The boiling of a liquid rapidly with plenty of bubbling, which (unlike simmering) roils the liquid and thus may break up or alter the shape of ingredients. ==== Translations ==== === Further reading === “rolling boil”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.