heat conservation
nounUK /hiːt ˌkɒnsəˈveɪʃən/
US /hiːt ˌkɑːnsərˈveɪʃən/
Keeping heat from escaping so things stay warm.
The thick walls of the house help with heat conservation in winter.
RELATED WORDS
OTHER MEANINGS
2. The way animals keep their body heat in cold places.
Penguins huddle together for heat conservation.
3. Saving heat energy so less fuel is needed.
The school added window seals for better heat conservation.
4. The trapping of heat by gases in the air.
Greenhouse gases affect heat conservation in the atmosphere.