gas mask

/ɡæs mɑːsk/

//ɡæs mɑːsk// noun

"gas-mask" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A covering for the face with a filter to protect the user from poison gas.

Key facts for gas mask
PropertyValue
Headwordgas mask
LanguageEnglish
Part of speechNoun
IPA/ɡæs mɑːsk/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “gas mask” sits in English frequency

gas mask falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

gas mask is uncommon English outside the top frequency list, classed as anoun, transcribed /ɡæs mɑːsk/. Rarity is why readers land here mid-draft. Gloss: "A covering for the face with a filter to protect the user from poison gas.".

No misspelling variants are generated for gas mask in our index, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

No borrowing history is documented for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is gas mask, spelled G-A-S- -M-A-S-K.

Definition

  1. 1
    A covering for the face with a filter to protect the user from poison gas.

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 "gas mask"?
"gas mask" is spelled G-A-S- -M-A-S-K. The IPA pronunciation is /ɡæs mɑːsk/.
What does "gas mask" mean?
As a noun, "gas mask" means: A covering for the face with a filter to protect the user from poison gas.
How do you pronounce "gas mask"?
The IPA (International Phonetic Alphabet) transcription for "gas mask" is /ɡæs mɑːsk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "gas mask" come from?
"gas mask" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Using “gas mask”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is G-A-S- -M-A-S-K - every other letter order is a misspelling in standard orthography.
  • Say it as /ɡæs mɑːsk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list