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Pronunciation varies by accent · adjective
(of mammals) Belonging to the taxonomic subclass Prototheria..
Use prototherial when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Prototherial means (of mammals) Belonging to the taxonomic subclass Prototheria..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use prototherial where its definition matches the intended context.
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