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Pronunciation varies by accent · adjective
(chemistry, obsolete) Of, relating to, or containing, sulphur and arsenic; said of an acid which is the same as arsenic acid with the substitution of sulphur for oxygen..
Use sulphoarsenic when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Sulphoarsenic means (chemistry, obsolete) Of, relating to, or containing, sulphur and arsenic; said of an acid which is the same as arsenic acid with the substitution of sulphur for oxygen..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use sulphoarsenic where its definition matches the intended context.
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