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单词 mastodon
释义

WordReference Random House Learner's Dictionary of American English © 2024
mas•to•don /ˈmæstəˌdɑn/USA pronunciation   n. [countable]
  1. Paleontologyan extinct elephantlike mammal.

WordReference Random House Unabridged Dictionary of American English © 2024
mas•to•don  (mastə don′),USA pronunciation n. 
  1. Paleontologya massive, elephantlike mammal of the genus Mammut (Mastodon), that flourished worldwide from the Miocene through the Pleistocene epochs and, in North America, into recent times, having long, curved upper tusks and, in the male, short lower tusks.
  2. a person of immense size, power, influence, etc.
  • Greek mast(ós) breast + odó̄n tooth
  • Neo-Latin
  • 1805–15
mas′to•donic, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
mastodon /ˈmæstəˌdɒn/ n
  1. any extinct elephant-like proboscidean mammal of the genus Mammut (or Mastodon), common in Pliocene times
Etymology: 19th Century: from New Latin, literally: breast-tooth, referring to the nipple-shaped projections on the teeth
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