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proto-
Proto-Algonquian
Proto-Germanic
Proto-Indo-European
Proto-Norse
proto-oncogene
Proto-Romance
Proto-Semitic
protoceratops
protocol
protocol statement
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protoceratops

pro·to·cer·a·tops [ prtō sérrə tòps ] (plural pro·to·cer·a·tops)


noun 
Definition:
 
plant-eating dinosaur: a plant-eating dinosaur that walked on all four legs and had a large head, bony neck frill, and a beak like a parrot's with sharp, shearing teeth. Genus Protoceratops.

[Mid-20th century. < modern Latin< Greek prōtos "first" + kerat- "horn"]
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