| Formes composées |
WordReference English-French Dictionary © 2026:
| alternative energy n | (sustainable power) | énergie alternative nf |
| alternative energy n | (renewable power) | énergie alternative, énergie renouvelable nf |
| | The use of forms of alternative energy such as liquid propane and hydrogen is increasing. |
alternative source of energy,
alternative energy source n | usually plural (sustainable power) | source d'énergie alternative nf |
alternative source of energy,
alternative energy source n | usually plural (renewable power) | source d'énergie alternative, source d'énergie renouvelable nf |
| | Wind, solar, hydro and geothermal are all alternative sources of energy. |
atomic energy,
nuclear energy n | (nuclear energy as a power source) | énergie atomique, énergie nucléaire nf |
| | Atomic energy is non-renewable but it does not produce carbon dioxide. |
| Atomic Energy Commission n | historical (AEC: former US atomic energy agency) (États-Unis) | commission de l'énergie atomique nf propre |
| binding energy n | (physics: to break up nucleus) (Physique) | énergie de liaison nf |
| clean energy n | (non-polluting fuel source) | énergie non polluante nf |
| | Hydrogen is considered a form of clean energy. |
| | | énergie propre nf |
| conservation of energy n | (law of physics: energy remains constant) | conservation de l'énergie nf |
| | According to the law of the conservation of energy, energy cannot be destroyed, only transmuted. |
Department of Energy,
United States Department of Energy n | US (US government) | ministère de l'Énergie (des États-Unis) nm |
| energy bar n | (high-calorie snack food) | barre énergétique nf |
| | After 50 km of riding, I ate an energy bar and then rode another 50 km. |
| energy booster n | ([sth] that invigorates) | remontant nm |
| | Après un tel effort, nous avons tous besoin d'un petit remontant |
| energy consumption n | (amount of energy used) | consommation énergétique nf |
| | The US is responsible for one quarter of the world's energy consumption. |
| energy crisis n | (fuel shortage) | crise de l'énergie nf |
| | (pétrole) | choc pétrolier nm |
| energy crop n | (plant cultivated for fuel) | (culture) source de biocombustible nf |
| | Corn has become an energy crop, in addition to being consumed by people and animals. |
| | Outre son utilisation dans l'alimentation humaine et animale, le maïs est devenu une source de biocombustible. |
| energy drink n | (beverage: added vitamins, etc.) | boisson énergétique, boisson énergisante nf |
| | Energy drinks generally have high caffeine levels. |
| | Les boissons énergétiques (or: énergisantes) ont généralement un fort taux de caféine. |
energy efficient,
energy-efficient adj | (using minimal power) | à faible consommation d'énergie, à faible consommation énergétique loc adj |
| | | économe en énergie loc adj |
| | | à haut rendement énergétique loc adj |
| | (ampoule) | basse consommation, à basse consommation loc adj |
| Note: hyphen used when term is an adj before a noun |
| | A lot of people are switching to energy-efficient lightbulbs to save money and electricity. Halogen light bulbs are more energy-efficient than incandescent ones. |
| | Les ampoules halogènes sont économe en énergie que les incandescentes. |
| | Beaucoup de gens passent aux ampoules basse consommation pour économiser de l'argent et de l'électricité. |
| energy hog n | informal ([sth]: uses too much electricity) (chose) | énergivore adj |
| energy hog n | informal ([sb]: uses too much electricity) (personne) | gros consommateur d'énergie, grosse consommatrice d'énergie nm, nf |
| energy level n | (energy of physical system when stationary) | niveau d'énergie nm |
| | Electrons can jump from one energy level to another. |
| energy level n | usually plural (degree of physical stamina) | énergie nf |
| energy meter n | (gauge that measures energy used) | compteur d'énergie nm |
| energy use n | (consumption of electricity) | consommation énergétique nf |
| | Une consommation énergétique responsable est une des clés d'un développement durable. |
| energy-giving adj | (food, nutrient: providing energy) (nourriture) | énergétique adj |
| energy-intensive adj | (requires a lot of energy) | qui consomme beaucoup d'énergie, qui consomme énormément d'énergie loc adj |
| | | gourmand en énergie loc adj |
| | | très consommateur en énergie loc adj |
| | | énergivore adj |
energy-saving,
energy saving adj | (conserving energy) | basse consommation adj inv |
| Note: The hyphen may be omitted when the adjective follows the noun. |
| | Energy-saving light bulbs can take a while to fully light up. |
| Euratom n | abbreviation (European Atomic Energy Community) (institution européenne) | Euratom nm |
| Note: communauté européenne de l'énergie atomique |
| European Atomic Energy Community n | (organization for nuclear cooperation) | Communauté européenne de l'énergie atomique nf propre |
| expenditure of energy n | (amount of effort put into [sth]) | dépense d'énergie nf |
| free energy n | (thermodynamics) (thermodynamique) | énergie libre nf |
| full of energy adj | (lively, energetic) | plein d'énergie adj |
| | She was so full of energy that I could hardly keep up with her. |
| | | débordant d'énergie adj |
| green energy n | figurative (renewable power) | énergie verte nf |
| have energy vi | (be physically energetic) | avoir de l'énergie v |
| | I have energy to go dancing tonight. |
| | | avoir la force de + [infinitif] v |
heat energy,
thermal energy n | (form of energy) | énergie thermique nf |
| high-energy adj | (having lots of energy) | survolté, énergique, dynamique adj |
| | There is a high-energy atmosphere in the busy newsroom. |
| high-energy adj | (needing lots of energy) (exercice) | très physique loc adj |
| | Jane does a high-energy aerobic workout every morning. |
| high-energy adj | (providing lots of energy) | hautement énergétique adv + adj |
| | These high-energy sports drinks are ideal for athletes. |
| | Ces boissons sportives hautement énergétiques sont idéales pour les athlètes. |
| kinetic energy | (physics) | énergie cinétique nf |
| lattice energy n | (chemistry: strength of bonds holding ionic solid together) | énergie réticulaire nf |
| nuclear energy n | (atomic power) | énergie nucléaire nf |
| | Nuclear energy was falsely demonized in the United States during the 1970's. |
| potential energy | (physics) (Physique) | énergie potentielle nf |
power supplier,
energy supplier n | (electricity/gas company) | fournisseur d'électricité nm |
| | Depuis 2007, les Français ont le choix de leur fournisseur d'électricité. |
| radiant energy n | (physics: energy in waves) (physique) | énergie de rayonnement nf |
| renewable energy n | (sustainable power source) | énergie renouvelable nf |
| | Wind, waves and the sun are sources of renewable energy. |
| | Le vent, les vagues et le soleil sont des sources d'énergies renouvelables. |
| separation energy n | (physics: molecule, nucleus) (Physique) | énergie de séparation nf |
| solar energy n | (power generated by the sun) | énergie solaire nf |
| | We need to find a way to store solar energy for use even in the winter. |
| | ⓘCette phrase n'est pas une traduction de la phrase originale. L'énergie solaire est un moyen de se chauffer assez économique. |
source of energy,
energy source n | (oil, natural gas, sun, wind, etc.) | source d'énergie nf |
| wind energy n | (power generated by the wind) | énergie éolienne nf |
| | The government should look into renewable sources such as wind energy. |