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Pronunciation varies by accent · noun
Any animal, of the taxon Protostomia, in which the mouth is derived from the embryonic blastopore.
Use protostome when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Protostome means Any animal, of the taxon Protostomia, in which the mouth is derived from the embryonic blastopore.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use protostome where its definition matches the intended context.
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