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Pronunciation varies by accent · noun
Any of a group of viruses of the order Nidovirales that cause respiratory disease in snakes.
Use nidovirus when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Nidovirus means Any of a group of viruses of the order Nidovirales that cause respiratory disease in snakes.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use nidovirus where its definition matches the intended context.
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