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