energy-saving
adjectiveUK /ˈen.ə.dʒiˌseɪ.vɪŋ/
US /ˈen.ɚ.dʒiˌseɪ.vɪŋ/
Something energy-saving helps you use less power, like electricity or fuel.
We bought energy-saving light bulbs to lower our electricity bill.
OTHER MEANINGS
2. Designed to reduce the amount of energy a device or building uses.
The new energy-saving washing machine uses half the water of our old one.
3. A way of living or working that avoids wasting power.
Turning off the lights when you leave is a simple energy-saving habit.
4. Relating to products or practices that cut down on fuel or electricity use.
The school installed energy-saving windows to keep heat inside.