natrium

noun

"natrium" is a 7-letter English headword indexed on PlainSpell.

The verdict

“natrium” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of sodium.

Corpus desk

Index EN-natrium · natrium · English

natrium · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" thin
  • PHOTO-UNK Peer pending

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.

Key facts for natrium
PropertyValue
Headwordnatrium
LanguageEnglish
Part of speechNoun
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “natrium” in English

natriumsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

natrium is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Synonym of sodium.".

The misspelling generator found no plausible variants for natrium, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From New Latin natrium. See natron for more. The correct English form is natrium, spelled N-A-T-R-I-U-M.

Definition

  1. 1
    Synonym of sodium.

Recorded use

Wiktionary examples

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

  1. 1874 June 19, H. Beins, The Successor of Steam, The Chemical News and Journal of Physical Science, Volume XXIX.—1874, page 267, It occurred to us to make an experiment to see what degree the tension of the carbonic acid given off by natrium-bicarbonate would amount to, when heated in a closed space.
  2. 1991, S. O'Neill, M. Valdeolmillos, C. Lamont, P. Donoso, D. Eisner, The contribution of natrium-calcium exchange to relaxation in mammalian cardiac muscle, Annals of the New York Academy of Science, Volume 639, pages 444-452, cited in 2002, Christian J. F. Holubarsch, Mechanics and Energetics of the Myocardium, page 165,

Etymology

From New Latin natrium. See natron for more.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "natrium"?
"natrium" is spelled N-A-T-R-I-U-M.
What does "natrium" mean?
As a noun, "natrium" means: Synonym of sodium.
What is the origin of the word "natrium"?
From New Latin natrium. See natron for more. 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.

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

Source: FrequencyWords open word-frequency list