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oxygen

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

Letters

6 characters

Language

English

word origin

Source

Wiktionary

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Detailed reference entry for the English word "oxygen", 6-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "oxygen" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "oxygen" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

oxygen is aEnglishnoun. It means: The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental oxygen to distinguish it from molecula... Pronounced /ˈɒksɪd͡ʒən/. It ranks #4,695 in English word frequency. Often confused with oxen and Origen.

Key facts for oxygen
PropertyValue
Headwordoxygen
LanguageEnglish
Part of speechNoun
IPA/ˈɒksɪd͡ʒən/
Letters6
Frequency rank#4,695
Misspellings tracked9
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency rank visualization

Position of oxygen in English word frequency (lower rank = more common)

Source: Wordfreq corpus

Spelling & Dictionary Insight

The English entry for oxygen is 6 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /ˈɒksɪd͡ʒən/. Corpus data places it at rank #4,695 in overall English word frequency, indicating it appears regularly in written and spoken text.Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Our Hunspell-derived misspelling index lists 9 documented wrong-spelling variants for oxygen, with forms such as "oxgyen", "oxxygen", and "oxyegn". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It also participates in 2 confusable-pair relationships, "oxen", "Origen", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Etymology tree Proto-Indo-European *h₂eḱ-der.? Ancient Greek ὀξύς (oxús) Proto-Indo-European *ǵenh₁- Proto-Indo-European *-os Proto-Indo-European *ǵénh₁os Proto-Hellenic *génos Ancient Greek γένος (génos) French oxygènebor. English oxygen Borrowed from Fren… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is oxygen, spelled O-X-Y-G-E-N, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental oxygen to distinguish it from molecular oxygen.
  2. 2
    Molecular oxygen (O₂), a colorless, odorless gas at room temperature.
  3. 3
    A mixture of oxygen and other gases, administered to a patient to help them breathe.
  4. 4
    An atom of this element.
  5. 5
    A condition or environment in which something can thrive.

Etymology

Etymology tree Proto-Indo-European *h₂eḱ-der.? Ancient Greek ὀξύς (oxús) Proto-Indo-European *ǵenh₁- Proto-Indo-European *-os Proto-Indo-European *ǵénh₁os Proto-Hellenic *génos Ancient Greek γένος (génos) French oxygènebor. English oxygen Borrowed from French oxygène (originally in the form principe oxygène, a variant of principe oxigine ‘acidifying principle’, suggested by Lavoisier), from Ancient Greek ὀξύς (oxús, “sharp”) + γένος (génos, “birth”), referring to oxygen's supposed role in the formation of acids. By surface analysis, oxy- + -gen.

This word in other languages

Common misspellings

Also misspelled as: oxgyen,oxxygen,oxyegn,oxygenn,oxyggen,oxygne,oxyygen,oyxgen,xoygen

Misspelling Pattern Breakdown

Relative frequency of common misspelling types for oxygen

Misspelling Variants of "oxygen"

oxgyen6oxxygen7oxyegn6oxygenn7oxyggen7oxygne6oxyygen7oyxgen6
Misspelling Variants of "oxygen"

Frequency rank: #4,695 in English

Frequently Asked Questions

How do you spell "oxygen"?
"oxygen" is spelled O-X-Y-G-E-N. The IPA pronunciation is /ˈɒksɪd͡ʒən/.
What does "oxygen" mean?
As a noun, "oxygen" means: The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental oxygen to distinguish it from molecula...
What words are commonly confused with "oxygen"?
"oxygen" is commonly confused with "oxen", "Origen". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "oxygen"?
The IPA (International Phonetic Alphabet) transcription for "oxygen" is /ˈɒksɪd͡ʒən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "oxygen"?
Etymology tree Proto-Indo-European *h₂eḱ-der.? Ancient Greek ὀξύς (oxús) Proto-Indo-European *ǵenh₁- Proto-Indo-European *-os Proto-Indo-European *ǵénh₁os Proto-Hellenic *génos Ancient Greek γένος (génos) French oxygènebor. English oxygen Borrowed... See the full etymology section above for more details.
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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.

Nearby English words

Other entries that begin with the letter O in our English index:

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Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Frequency data from Wordfreq. Misspellings derived from Hunspell dictionaries.