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Pronunciation varies by accent · noun
(organic chemistry) A ring or four pyrrole rings linked by methine groups; it is the structure at the centre of hemoglobin, chlorophyll and other porphyrins.
Use porphin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Porphin means (organic chemistry) A ring or four pyrrole rings linked by methine groups; it is the structure at the centre of hemoglobin, chlorophyll and other porphyrins.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use porphin where its definition matches the intended context.
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