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Pronunciation varies by accent · noun
Any dinosaur of the suborder Pachycephalosauria..
Use pachycephalosaurian when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pachycephalosaurian means Any dinosaur of the suborder Pachycephalosauria..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pachycephalosaurian where its definition matches the intended context.
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