| Compound Forms: |
WordReference English-Spanish Dictionary © 2026:
| alternative energy n | (sustainable power) | energía alternativa nf + adj |
| | | energía renovable nf + adj mf |
| alternative energy n | (renewable power) | energía alternativa 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) | fuente de energía alternativa nf + loc adj |
| | | energía alternativa nf + adj |
alternative source of energy,
alternative energy source n | usually plural (renewable power) | fuente de energía renovable nf + loc adj |
| | | energía renovable nf + adj |
| | Wind, solar, hydro and geothermal are all alternative sources of energy. |
| | El viento, el sol y el agua son todas fuentes de energía renovables. |
atomic energy,
nuclear energy n | (nuclear energy as a power source) (Física) | energía atómica, energía nuclear nf |
| | Atomic energy is non-renewable but it does not produce carbon dioxide. |
| Atomic Energy Commission n | historical (AEC: former US atomic energy agency) | Comisión de Energía Atómica n propio f |
| binding energy n | (physics: to break up nucleus) | energía de enlace nuclear nf + loc adj |
| clean energy n | (non-polluting fuel source) | energía limpia nf + adj |
| | | energía no contaminante nf + loc adj |
| | Hydrogen is considered a form of clean energy. |
| | El hidrógeno es considerado energía limpia. |
conservation of energy,
law of conservation of energy n | (physics: energy remains constant) (física) | conservación de la energía loc nom f |
| | | ley de la conservación de la energía nf + loc adj |
| | According to the law of the conservation of energy, energy cannot be destroyed, only transmuted. |
| | De acuerdo con la conservación de la energía, la energía no se puede destruir, sólo transformar. |
Department of Energy,
United States Department of Energy n | US (US government) (gobierno EE.UU.) | Ministerio de Energía loc nom m |
| energy bar n | (high-calorie snack food) | barrita energética nf + adj |
| | | barra energética nf + adj |
| | After 50 km of riding, I ate an energy bar and then rode another 50 km. |
| | Después de andar en bicicleta por 50 km me comí una barrita energética y anduve por 50 km más. |
| energy booster n | ([sth] that invigorates) | reforzador de la energía nm |
| | | tónico estimulante nm |
| energy charge n | (biology: index of cells' energy status) | carga de energía loc nom f |
| energy consumption n | (amount of energy used) | consumo de energía loc nom m |
| | The US is responsible for one quarter of the world's energy consumption. |
| | Estados Unidos es responsable de un cuarto del consumo de energía del mundo. |
| energy crisis n | (fuel shortage) | crisis energética nf inv + adj |
| energy crop n | (plant cultivated for fuel) | cultivo energético nm + adj |
| | Corn has become an energy crop, in addition to being consumed by people and animals. |
| | | biocarburantes nmpl |
| energy drink n | (beverage: added vitamins, etc.) | bebida energizante nf + adj mf |
| | (ES) | bebida energética nf + adj |
| | (AR) | energizante nm |
| | Energy drinks generally have high caffeine levels. |
| | Las bebidas energizantes por lo general tienen altos niveles de cafeína. |
energy efficient,
energy-efficient adj | (using minimal power) | de bajo consumo loc adj |
| | | energéticamente eficiente 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. |
| | Muchos están cambiando sus lámparas comunes por las de bajo consumo para ahorrar dinero y energía. |
| energy hog n | informal ([sth]: uses too much electricity) (coloquial) | algo que traga mucha energía pron + loc adj |
| energy hog n | informal ([sb]: uses too much electricity) | persona que gasta mucha energía nf + loc adj |
| energy level n | (energy of physical system when stationary) | nivel de energía nm |
| | Electrons can jump from one energy level to another. |
| | (Fís) | nivel energético nm |
| energy level n | usually plural (degree of physical stamina) | energía nf |
| | (coloquial) | aguante nm |
| energy meter n | (gauge that measures energy used) | medidor de energía nm |
| energy use n | (consumption of electricity) | consumo de electricidad nm |
| | El consumo de electricidad aumenta mucho en verano. |
| | | uso de energía nm |
| | Raciona el uso de energía lo más que puedas. |
| energy-giving adj | (food, nutrient: providing energy) | energético/a adj |
| | | vigorizante adj mf |
| energy-intensive adj | (requires a lot of energy) (energía,) | demandante, exigente adj |
energy-saving,
energy saving adj | (conserving energy) | que ahorra energía loc adj |
| 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) (Comunidad Europea de la Energía Atómica) | Euratom nf |
| European Atomic Energy Community n | (organization for nuclear cooperation) | Comunidad Europea de la Energía Atómica loc nom f |
| expenditure of energy n | (amount of effort put into [sth]) | gasto de energía nm |
| | | esfuerzo nm |
| | A sus años, incluso esas simples tareas le significaban gran esfuerzo. |
| free energy n | (thermodynamics) | energía libre nf + adj mf |
| full of energy adj | (lively, energetic) | lleno de energía loc adj |
| | She was so full of energy that I could hardly keep up with her. |
| | | rebosante de energía loc adj |
| green energy n | figurative (renewable power) (figurado, renovable) | energía verde, energía limpia loc nom f |
| have energy vi | (be physically energetic) | tener energía loc verb |
| | I have energy to go dancing tonight. |
| | Tengo energía para ir a bailar esta noche. |
| | | estar repleto de energía, estar lleno de energía loc verb |
| | Estoy repleto de energía para ir a bailar esta noche. |
| | (formal) | estar pletórico de fuerzas loc verb |
| | Estoy pletórico de fuerzas para ir a bailar esta noche. |
heat energy,
thermal energy n | (form of energy) | energía térmica nf + adj |
| high-energy adj | (having lots of energy) | de energía alta loc adj |
| | There is a high-energy atmosphere in the busy newsroom. |
| | Hay un ambiente de energía alta en la sala de redacción. |
| high-energy adj | (needing lots of energy) | de alta energía loc adj |
| | Jane does a high-energy aerobic workout every morning. |
| | Jane hace una rutina de alta energía aeróbica todos los días. |
| high-energy adj | (providing lots of energy) | energético/a adj |
| | These high-energy sports drinks are ideal for athletes. |
| kinetic energy | (physics) | energía cinética loc nom f |
| lattice energy n | (chemistry: strength of bonds holding ionic solid together) | energía reticular de un compuesto iónico loc nom f |
| | | energía de la red cristalina loc nom f |
| mass-energy n | (physics: mass and energy) | energía de masas loc nom f |
| mass-energy n as adj | (relating to mass-energy) | de energía de masas loc adj |
| nuclear energy n | (atomic power) (física) | energía nuclear loc nom f |
| | Nuclear energy was falsely demonized in the United States during the 1970's. |
| | ⓘEsta oración no es una traducción de la original. En la conferencia se habló del uso pacífico de la energía nuclear. |
| potential energy | (physics) (física) | energía potencial loc nom f |
power supplier,
energy supplier n | (electricity/gas company) | compañía eléctrica nf |
| | | compañía distribuidora o suministradora |
| | (Argentina) | empresa de energía nm |
| | La empresa provincial de energía volvió a aumentar las tarifas. |
| radiant energy n | (physics: energy in waves) | energía radiante loc nom f |
| renewable energy n | (sustainable power source) | energía renovable nf + adj |
| | Wind, waves and the sun are sources of renewable energy. |
| | El sol y el viento son fuentes de energía renovable. |
| separation energy n | (physics: molecule, nucleus) | energía de separación loc nom f |
| solar energy n | (power generated by the sun) | energía solar nf + adj mf |
| | We need to find a way to store solar energy for use even in the winter. |
| | Sería necesario encontrar una forma de almacenar la energía solar para usarla aun en invierno. |
source of energy,
energy source n | (oil, natural gas, sun, wind, etc.) | fuente de energía nf + loc adj |
| wind energy n | (power generated by the wind) | energía eólica nf |
| | The government should look into renewable sources such as wind energy. |
| | La energía eólica es una alternativa para el ahorro de combustibles no renovables. |