magnesia

/ˌmæɡˈniʒə/

//ˌmæɡˈniʒə// noun

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

The verdict

“magnesia” is uncommon English (frequency #66,814 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#66,814
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - magnesium oxide

Corpus desk

Index EN-magnesia · magnesia · English

magnesia · rank #66,814 · 0 variants · 0 confusables

  • FREQ-RARE #66,814
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH Mammon

Nearest frequency peer: Mammon (+1 rank slots)

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.

Long-tail ranks near “magnesia”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “magnesia” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for magnesia
PropertyValue
Headwordmagnesia
LanguageEnglish
Part of speechNoun
IPA/ˌmæɡˈniʒə/
Letters8
Frequency rank#66,814
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “magnesia” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).magnesiafalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “Mammon” (#66,815), “lunt” (#66,811), “marvelously” (#66,819). Among 4,057 “M” headwords, “magnesia” is #66,814. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

magnesia is uncommon English at frequency #66,814 among 4,057 “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

Recorded use

Wiktionary example

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

  1. The apocrenates of iron and manganese are slightly soluble; those of lime, magnesia and alumina are insoluble.

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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "magnesia", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list