magnesium

/ˌmæɡˈniːzi.əm/

//ˌmæɡˈniːzi.əm// noun

By · According to Wiktionary data (CC BY-SA) ·

"magnesium" is a 9-letter English headword indexed on PlainSpell.

The verdict

“magnesium” has 13 generated spelling variants in the English index at frequency #15,215. The variants make it a useful spelling check.

#15,215
frequency rank, English
4,057
“M” headwords
13
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The chemical element with an atomic number of 12. It is a light, easily flammable, silvery-white alkaline earth metal.

Corpus desk

Index EN-magnesium · magnesium · English

magnesium · rank #15,215 · 13 variants · 1 confusable

  • FREQ-MID #15,215
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 13 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH Lorenzo

Nearest frequency peer: Lorenzo (-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.

Rank peers near misspelling magnet “magnesium”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “magnesium” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

magnesium vs magnetism
78% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for magnesium
PropertyValue
Headwordmagnesium
LanguageEnglish
Part of speechNoun
IPA/ˌmæɡˈniːzi.əm/
Letters9
Frequency rank#15,215
Misspellings tracked13
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “magnesium”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).magnesiumlands here:

#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. Same rarity band neighbours include “Lorenzo” (#15,214), “malware” (#15,216), “loot” (#15,213). Among 4,057 “M” headwords, “magnesium” is #15,215. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 13 spelling variants around magnesium (IPA /ˌmæɡˈniːzi.əm/), anoun. Corpus frequency is #15,215 among 4,057 “M” headwords. Dominant gloss: "The chemical element with an atomic number of 12. It is a light, easily flammable, silvery-white alkaline earth metal.".

Our generated misspelling index lists 13 likely wrong-spelling variants for magnesium, with forms such as "amgnesium", "magensium", and "maggnesium". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 1 confusable-pair relationship, "magnetism", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From New Latin magnēsium, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía, “Magnesia”), a region in Thessaly. Coined by British chemist Humphry Davy, as a modification of his original suggestion, magnium. The correct English form is magnesium, spelled M-A-G-N-E-S-I-U-M.

Definition

  1. 1
    The chemical element with an atomic number of 12. It is a light, easily flammable, silvery-white alkaline earth metal.

Recorded use

Wiktionary examples

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

  1. 1999, Chapter 1 "Barrens" Cryptonomicon by Neal Stephenson The building looked only like a wall glowing in the firelight, but sometimes a barrage of magnesium blue light made its windowframes jump out of the darkness.
  2. A sample of carbon removed from the ocean in the solid form of calcium carbonate and magnesium hydroxide from UCLA's SeaChange program -- now known as Equatic -- in 2023.

Etymology

From New Latin magnēsium, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía, “Magnesia”), a region in Thessaly. Coined by British chemist Humphry Davy, as a modification of his original suggestion, magnium.

Synonyms

magnium

This word in other languages

magnesio(Español)magnésium(Français)Magnesium(Deutsch)magnésio(Português)

Common misspellings

Also misspelled as:

  • amgnesium
  • magensium
  • maggnesium
  • magneisum
  • magnesimu
  • magnesiumm
  • magnessium
  • magnesuim
  • magnnesium
  • magnseium
  • mangesium
  • mganesium
  • mmagnesium

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of magnesium - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

amgnesium2magensium2maggnesium1magneisum2magnesimu2magnesiumm1magnessium1magnesuim2
Edit distance from "magnesium"

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 "magnesium"?
"magnesium" is spelled M-A-G-N-E-S-I-U-M. The IPA pronunciation is /ˌmæɡˈniːzi.əm/.
What does "magnesium" mean?
As a noun, "magnesium" means: The chemical element with an atomic number of 12. It is a light, easily flammable, silvery-white alkaline earth metal.
What words are commonly confused with "magnesium"?
"magnesium" is commonly confused with "magnetism". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "magnesium"?
The IPA (International Phonetic Alphabet) transcription for "magnesium" is /ˌmæɡˈniːzi.əm/. 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 "magnesium"?
From New Latin magnēsium, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía, “Magnesia”), a region in Thessaly. Coined by British chemist Humphry Davy, as a modification of his original suggestion, magnium. 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 "magnesium", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

intending#15,197intellect#15,195overwatch#15,238homestead#15,187

Similar misspelling depth

Headwords with a similar count of attested misspellings (13 here; floor ≥5).

partying13 variantsshowdown13 variantsstocking13 variantscrocodile13 variants

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

Source: FrequencyWords open word-frequency list