energy (noun)
1energy — noun 1 ability to be active/work hard ADJECTIVE ▪ boundless, endless, inexhaustible, limitless, unflagging, unlimited ▪ I admire her boundless energy. ▪ …
2energy state — noun a definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules according to quantum theory only certain energy levels are possible • Syn: ↑energy level • Hypernyms: ↑energy, ↑free… …
3energy — ► NOUN (pl. energies) 1) the strength and vitality required for sustained activity. 2) (energies) a person s physical and mental powers as applied to a particular activity. 3) power derived from physical or chemical resources to provide light and …
4energy — UK US /ˈenədʒi/ noun [U] ENVIRONMENT, NATURAL RESOURCES ► the power from something such as electricity or oil, which can do work, such as providing light and heat: use/consume/waste energy »80% of the energy used to wash garments is needed to… …
5energy - energetic — ◊ energy Energy is the physical ability that someone has to do active things. He has neither the time nor the energy to play with the children. You must eat to give yourself energy. ◊ energetic If someone has a lot of this ability, you say that… …
6energy efficiency — energy efficient UK US adjective (also energy efficient) NATURAL RESOURCES, ENVIRONMENT ► used to describe things that use only as much energy as is needed without wasting any: energy efficient lighting/building/appliance »The company has fitted… …
7energy efficient — UK US adjective (also energy efficient) NATURAL RESOURCES, ENVIRONMENT ► used to describe things that use only as much energy as is needed without wasting any: energy efficient lighting/building/appliance »The company has fitted energy efficient… …
8Energy Star — UK US noun [U] ► NATURAL RESOURCES, ENVIRONMENT an international standard for consumer products and buildings that are energy efficient (= do not waste energy): Energy Star program/standard/label »The program awards an Energy Star label to… …
9energy audit — UK US noun [C] ENVIRONMENT, SOCIAL RESPONSIBILITY ► an examination of a building to find out how much energy is being used in it and if changes could be made in order to use less: »After a two day energy audit of his factory, his $2.5 million… …
10energy — noun (C, U) 1 the physical and mental strength that makes you able to be active: The task will take an enormous amount of time and energy. | be full of energy: She came back full of energy after her vacation. | nervous energy (=energy that you… …
