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Pronunciation varies by accent · noun
(organic chemistry) Any of four isomeric tricyclic heterocycles, derivatives of which often have biological action, consisting of a pyridine ring fused with the five-membered ring of an indole..
Use carboline when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Carboline means (organic chemistry) Any of four isomeric tricyclic heterocycles, derivatives of which often have biological action, consisting of a pyridine ring fused with the five-membered ring of an indole..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use carboline where its definition matches the intended context.
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