Ranked by relevance and common usage.
Keep "natrium" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "natrium" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "natrium", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "natrium" or choose a simpler alternative from the closest-match group.
3 total sentences available.
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.
Source: wiktionary
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,
Source: wiktionary
The highest solute content (more then 1000 mg/L) and value of pH is found in the urban runoff from residential and transport zones, as well as the maximum concentrations of suspended solids, chlorides, natrium and nitrites.
Source: wiktionary
Closest matches include sodium.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.