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Pronunciation varies by accent · noun
(organic chemistry) Any of a group of indanone derivatives present in bracken of the genus Pteridium..
Use pterosin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pterosin means (organic chemistry) Any of a group of indanone derivatives present in bracken of the genus Pteridium..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pterosin where its definition matches the intended context.
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