blast furnace

noun

"blast-furnace" is a 12-letter English headword indexed on PlainSpell.

The verdict

“blast furnace” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An industrial furnace in which ore is smelted to metal, the process being intensified by a blast of hot air.

Corpus desk

Index EN-blast-furnace · blast furnace · English

blast furnace · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for blast furnace
PropertyValue
Headwordblast furnace
LanguageEnglish
Part of speechNoun
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “blast furnace” in English

blast furnacesits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

blast furnace is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for blast furnace, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

This entry carries no recorded etymology, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is blast furnace, spelled B-L-A-S-T- -F-U-R-N-A-C-E.

Definition

  1. 1
    An industrial furnace in which ore is smelted to metal, the process being intensified by a blast of hot air.
  2. 2
    An industrial furnace in which ore is smelted to metal, the process being intensified by a blast of hot air.

Recorded use

Wiktionary examples

These source excerpts show how blast furnace appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Holonyms: ironworks, steelworks
  2. Meronym: tuyeres

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "blast furnace"?
"blast furnace" is spelled B-L-A-S-T- -F-U-R-N-A-C-E.
What does "blast furnace" mean?
As a noun, "blast furnace" means: An industrial furnace in which ore is smelted to metal, the process being intensified by a blast of hot air.
What language does "blast furnace" come from?
"blast furnace" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list