Definition

Noun: 1. An enclosed chamber or structure designed to produce intense heat: A furnace is a device that generates high temperatures for purposes such as heating spaces, melting metals, incinerating waste, or processing materials like ores and glass. 2. (Figurative) A place or situation of extreme heat, pressure, or trial: Used metaphorically to describe an environment or experience that is intensely challenging, punishing, or purifying.

Usage and Examples

• The old house still has its original coal furnace in the basement.
• Steel is produced in a blast furnace.
• The desert was like a furnace at midday.
• (Figurative) The young recruits were put through the furnace of basic training.

Advanced Usage and Nuances

• "to be like a furnace": To be extremely hot.
  • With all the windows closed, the car was like a furnace.
• "to go through the furnace": To endure a severe test or difficult experience.
  • Their marriage went through the furnace during those hard years but emerged stronger.

Variants and Related Words

• Furnace-like (adj): Resembling a furnace in intense heat.
  • The furnace-like conditions in the factory were unbearable.
• Blast furnace (n): A specific type of furnace for smelting iron.
• Induction furnace (n): A furnace that uses electromagnetic induction to produce heat.

Synonyms

• Heater
• Kiln
• Oven
• Incinerator
• Forge

Related Idioms and Phrases

• "A baptism of fire": While not containing the word "furnace," this idiom is a close figurative synonym for a challenging introductory experience.
  • His first day as a teacher was a real baptism of fire.
• "Trial by fire": Another idiom describing a severe test of one's abilities or character.
  • The new manager faced a trial by fire during the company crisis.

Noun

1. an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc.