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Pronunciation varies by accent · noun
(organic chemistry) Any of many sulfonic acids derived from phthaleins, some of which are important acid-base indicators..
Use sulfonephthalein when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Sulfonephthalein means (organic chemistry) Any of many sulfonic acids derived from phthaleins, some of which are important acid-base indicators..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use sulfonephthalein where its definition matches the intended context.
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