simmer -
temperature just below the boiling point; "the stew remained at a simmer for hours"
temperature the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
Verb
simmer -
boil slowly at low temperature; "simmer the sauce"; "simmering water"
boil immerse or be immersed in a boiling liquid, often for cooking purposes; "boil potatoes"; "boil wool"
cookery,
cooking,
preparation the act of preparing something (as food) by the application of heat; "cooking can be a great art"; "people are needed who have experience in cookery"; "he left the preparation of meals to his wife"