furnace

Reading level: hard

Estimated CEFR level: B2 — Upper-Intermediate

Estimated from word frequency; not an official CEFR classification.

Definition

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

Etymology

From Middle English forneys, from Old French fornais (French fournaise), from Latin fornāx.

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