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brontosaurus

Variant of brontosaur

brontosaur definition

☆ bron·to·saur (brän′tō sôr′, -tə-)

noun

also brontosaurus bron′·to·saur′·us (-əs)

Etymology: ModL < Gr brontē, thunder (for IE base see brome) + -saur

Related Forms:

brontosaurian bron′·to·saur′·ian (-ē ən) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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