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Pronunciation varies by accent · adjective
(zoology, obsolete) Belonging to the Nucleobranchiata, a obsolete order of molluscs that have the gills packed in the shell along with the heart, such sea snails now mostly classified in the order Littorinimorpha..
Use nucleobranch when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Nucleobranch means (zoology, obsolete) Belonging to the Nucleobranchiata, a obsolete order of molluscs that have the gills packed in the shell along with the heart, such sea snails now mostly classified in the order Littorinimorpha..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use nucleobranch where its definition matches the intended context.
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