efficient

eficiente

Que funciona bien sin malgastar tiempo, dinero o energía.

En inglés sencillo: Working well without wasting time, money, or energy.

• The new system is very efficient.
• Our efficient staff finished the work early.
• This heater is more efficient than the old one.

Cómo se usa: efficient at doing something (She is efficient at organizing large events.)

Sinónimos: well-organized, economical

Antónimos: inefficient, wasteful

Expresiones frecuentes: efficient system, efficient service, energy efficient, highly efficient

eficiente

Que transforma una proporción indicada de la energía recibida en trabajo útil.

En inglés sencillo: Turning a stated share of the energy supplied into useful work.

• The engine is thirty percent efficient.
• This motor is more efficient at lower temperatures.
• A perfectly efficient machine would waste no energy.

Cómo se usa: a number + percent efficient (The motor is eighty percent efficient.)

Antónimos: inefficient

Expresiones frecuentes: thermally efficient, mechanically efficient, ninety percent efficient

eficiente

Que produce directamente un efecto o hace que algo exista.

En inglés sencillo: Directly producing an effect or bringing something into existence.

• The builder is the efficient cause of the house.
• The court considered the efficient cause of the injury.
• In this theory, an efficient cause brings about a change.

Sinónimos: causative

Expresiones frecuentes: efficient cause, direct efficient cause