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Pronunciation varies by accent · noun
(zoology) Any plesiosaur in the family †Plesiosauridae of extinct marine reptiles..
Use plesiosaurid when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Plesiosaurid means (zoology) Any plesiosaur in the family †Plesiosauridae of extinct marine reptiles..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use plesiosaurid where its definition matches the intended context.
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