Insulated storage vessel.
Flask with double walls separated by vacuum; used to maintain substances at high or low temperatures.
1 And, once made, thanks to Stanley's famous vacuum flask insulation, it'll stay hot for up to four hours.
2 The thermos bottle inside your Battlestar Galactica lunch box is simply a smaller, consumer-grade version of a Dewar vacuum flask .
3 With a gorgeous stainless steel body, it's effectively a wide-mouthed vacuum flask for keeping soups, stews or noodles piping hot.
4 He was pumping the air from the vacuum flask , and took no notice; it was as if he'd already forgotten her.
5 I bent over him with an invalid's cup of liquid food prepared for this emergency, kept hot in a vacuum flask .
6 A vacuum flask packed with a small quantity of commercial explosives partially exploded in a laneway off Clanbrassil Street in the town.
7 Another area where Bunnings has quite an impressive range and reasonable prices is vacuum flasks .
8 There is also a truck with cakes and a truck carrying vacuum flasks of food.
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