magnesia

/ˌmæɡˈniʒə/

//ˌmæɡˈniʒə// noun

"magnesia" is a 8-letter English headword indexed on PlainSpell.

The verdict

“magnesia” is uncommon English (frequency #66,814 among 36,575 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#66,814
frequency rank, English
36,575
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - magnesium oxide

Key facts for magnesia
PropertyValue
Headwordmagnesia
LanguageEnglish
Part of speechNoun
IPA/ˌmæɡˈniʒə/
Letters8
Frequency rank#66,814
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “magnesia” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). magnesia lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

magnesia is uncommon English at frequency #66,814 among 36,575 “M” headwords, classed as anoun, transcribed /ˌmæɡˈniʒə/. Rarity is why readers land here mid-draft. Gloss: "magnesium oxide".

Zero misspellings are on record for magnesia in our index, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Middle English magnesia, from Late Latin magnesia, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía), a name of several cities (in Thessaly, Lydia, and Asia Minor). Doublet of Magnesia, magnesium, and manganese, and related to magnet. The correct English form is magnesia, spelled M-A-G-N-E-S-I-A.

Definition

  1. 1
    magnesium oxide

Etymology

From Middle English magnesia, from Late Latin magnesia, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía), a name of several cities (in Thessaly, Lydia, and Asia Minor). Doublet of Magnesia, magnesium, and manganese, and related to magnet.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "magnesia"?
"magnesia" is spelled M-A-G-N-E-S-I-A. The IPA pronunciation is /ˌmæɡˈniʒə/.
What does "magnesia" mean?
As a noun, "magnesia" means: magnesium oxide
How do you pronounce "magnesia"?
The IPA (International Phonetic Alphabet) transcription for "magnesia" is /ˌmæɡˈniʒə/. 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 "magnesia"?
From Middle English magnesia, from Late Latin magnesia, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía), a name of several cities (in Thessaly, Lydia, and Asia Minor). Doublet of Magnesia, magnesium, and manganese, and related to... See the full etymology section above for more details.
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 “magnesia”

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

  • The one correct English spelling is M-A-G-N-E-S-I-A - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌmæɡˈniʒə/ (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

Other uncommon English words near this rank

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