furnace

caldera, calefactor

Aparato que produce calor para calentar un edificio.

En inglés sencillo: A machine that produces heat to warm a building.

• The furnace heats our house.
• We had the furnace repaired before winter.
• A dirty furnace filter can reduce airflow.

Sinónimos: heater

Expresiones frecuentes: gas furnace, furnace filter, replace a furnace

horno

Horno que alcanza temperaturas muy altas para fundir metales o cocer objetos de arcilla.

En inglés sencillo: A machine that produces very high heat to melt metal or bake clay objects.

• The furnace melts metal.
• Workers fed iron ore into the furnace.
• The factory installed two electric furnaces last year.

Sinónimos: industrial oven

Expresiones frecuentes: blast furnace, industrial furnace, electric furnace

horno

Lugar donde hace tanto calor que parece un horno.

En inglés sencillo: A place that feels extremely hot.

• This room is a furnace.
• By noon, the kitchen had become a furnace.
• Without air conditioning, our office felt like a furnace.

Sinónimos: oven

Expresiones frecuentes: a real furnace, like a furnace

calvario, prueba

Situación o período de gran sufrimiento o dificultad que pone a prueba a una persona.

En inglés sencillo: A situation or period of great suffering or difficulty that tests someone.

• Their friendship survived the furnace of war.
• The furnace of hardship tested her courage.
• He emerged stronger from the furnace of public criticism.

Cómo se usa: furnace of something (Their resolve was strengthened in the furnace of adversity.)

Sinónimos: ordeal, trial

Expresiones frecuentes: furnace of war, furnace of suffering, furnace of adversity