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nitrox

nitr·ox/ˈnaɪtɹɑks/noun

nitrox is spelled N-I-T-R-O-X: 6 letters and 2 syllables (nitr·ox). It appears about once in every 21 million words in written English, the 138,319th most frequent word form (wordfreq, 2021 data). As a noun, nitrox means “An industrial process for case hardening (imparting greater surface hardness to) metal objects, involving nitrocarburizing (the diffusion of carbon…” (English Wiktionary, September 2026).

How many letters and syllables are in nitrox?

Letters6: N-I-T-R-O-X
Syllables2: nitr·ox
In writingabout once in every 21 million words; the 138,319th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is nitrox?

Nitrox appears about once in every 21 million words in written English, the 138,319th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce nitrox?

  • UK /ˈnaɪtɹɒks/
  • US /ˈnaɪtɹɑks/

Nitrox has 2 syllables, split nitr·ox in writing.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-nitrox.wav, Wikimedia Commons (author and licence on each file's page).

What does nitrox mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    An industrial process for case hardening (imparting greater surface hardness to) metal objects, involving nitrocarburizing (the diffusion of carbon and nitrogen into the metal) followed by oxidation.

  2. 2

    A mixture of nitrogen and oxygen, the nitrogen content being lower than that of normal air, which is used in place of air as a breathing gas.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Nitrox in Spanish, French, German and Portuguese

In the sense mixture of nitrogen and oxygen used as a breathing gas:

LanguageWords
Frenchnitrox
GermanNitrox

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does nitrox come from?

Blend of nitro(gen) + ox(ygen).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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