Positive ions are called cations.
Source: tatoeba (1468095)
Ranked by relevance and common usage.
Keep "ions" 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 "ions" 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 "ions", 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 "ions" or choose a simpler alternative from the closest-match group.
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10 total sentences available.
Positive ions are called cations.
Source: tatoeba (1468095)
This air cleaner came pretty cheap when I bought it, but I'm rather suspicious of the "negative ions" it produces.
Source: tatoeba (1527890)
This is a reaction where charges are transferred by the insertion of ions into a solid host.
Source: tatoeba (5940064)
Inside the magnetosphere, the density of the space plasma—charged particles, like electrons and ions—is much lower than the plasma outside, where the solar wind prevails. The boundary, called the magnetopause, becomes unstable when the two different density regions move at different rates.
Source: tatoeba (6479012)
Showing 4 of 10 available sentences.
Closest matches include charged atom, charged molecule, charged particle, electrolyte ion, mineral ion.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.