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Pronunciation varies by accent · noun
(organic chemistry) A heterocycle formally derived from phenanthridine by replacing the nitrogen atom with phosphorus.
Use phosphanthridine when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Phosphanthridine means (organic chemistry) A heterocycle formally derived from phenanthridine by replacing the nitrogen atom with phosphorus.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use phosphanthridine where its definition matches the intended context.
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