sous-vide /suːˈviːd/noun 2adverb 1verb 1forms 3 noun2 •A method of cooking in which food is heated in airtight bags for an extended period of time at relatively low, but tightly controlled temperatures, in order to maintain the integrity of ingredients.Sous-vide was one of the first technologies to take shelf-life beyond 10 days. — 2010 •A cooker designed to facilitate this method of cooking. adverb1 •In the manner of heating in an airtight bag for an extended period of time at relatively low, but tightly controlled temperature.She cooked the steak sous-vide. verb1 •To cook using this method.The coppa di testa sounds daintier than what it really is: a pig's head seasoned and rolled, then sous-vided for 18 hours and sliced like ham. — 2011 formssous-vided · sous-viding · sous-vides