Canned Heat (kănd)
A trademark used for solid alcohol or paraffin fuel that is packed in small cans and used to heat food.
[TahlilGaran] American Dictionary ▲
canned heat n. Chemicals in a can which burn with a hot, smokeless flame.
Some people use canned heat to keep food warm. The mountain climbers used canned heat for cooking. [TahlilGaran] English Idioms Dictionary ▲