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Pronunciation varies by accent · noun
(organic chemistry) A poorly-characterised nitrogenous derivative of pyrogallol.
Use pyrogallein when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pyrogallein means (organic chemistry) A poorly-characterised nitrogenous derivative of pyrogallol.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pyrogallein where its definition matches the intended context.
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