furnace — an enclosed structure in which material can be heated to very high temperatures
Part of speech: NOUN
Definition: an enclosed structure in which material can be heated to very high temperatures
Pronunciation (IPA): /ˈfɜːrnɪs/
Example Sentences
- My basement feels like a furnace in summer because the air conditioner is broken.
- The blacksmith heated the iron in the furnace until it glowed red-hot.
- After running 10 miles, his body felt like a walking furnace.
furnace
NOUN[/ˈfɜːrnɪs/]
an enclosed structure in which material can be heated to very high temperatures

The blacksmith heats iron in the roaring furnace until it glows red.

The furnace burned so fiercely that the metal became red-hot before the blacksmith could shape it. (Think: FURNACE → FIRE + HEAT: A furnace is built for extreme heat.)

The furnace served a special purpose: heating metal beneath the surface until it glowed red-hot.
Got the picture? Now let's practice.
🎤Pronunciation
🌳Etymology
Origin
From Latin 'furnus' meaning oven or bakery, which came through Old French 'fornaise' into English. Originally referred to bread ovens in ancient Rome, then expanded to mean any large heating apparatus.
Breakdown
furn- (from Latin 'furnus' meaning oven) + -ace (suffix indicating a place or container)
🎵Rhyme
🔗Collocations
📝Examples
“My basement feels like a furnace in summer because the air conditioner is broken.”
“The blacksmith heated the iron in the furnace until it glowed red-hot.”
“After running 10 miles, his body felt like a walking furnace.”
“The old house had a coal furnace in the basement for heating.”
📚Related Words
Want to master 27,000+ words?
Sign up free for flashcards & quizzes.