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Pronunciation varies by accent · noun
(organic chemistry) The porphyrin that is composed of four pyrrole units.
Use tetraporphyrin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Tetraporphyrin means (organic chemistry) The porphyrin that is composed of four pyrrole units.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use tetraporphyrin where its definition matches the intended context.
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