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Pronunciation varies by accent · noun
(obsolete, chemistry) A hypothetical radical, SO₄, regarded as forming the acid or negative constituent of sulphuric acid and the sulphates in electrolytic decomposition..
Use sulphion when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Sulphion means (obsolete, chemistry) A hypothetical radical, SO₄, regarded as forming the acid or negative constituent of sulphuric acid and the sulphates in electrolytic decomposition..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use sulphion where its definition matches the intended context.
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