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单词	premolar
释义	premolar adjective pre·​mo·​lar (ˌ)prē-ˈmō-lər  : situated in front of or preceding the molar teeth especially : being or relating to those teeth of a mammal in front of the true molars and behind the canines when the latter are present premolar noun Example Sentences Recent Examples on the Web Both jaws had a third premolar, or cheek tooth, that’s only present in 2 to 6 percent of all Smilodon specimens. Riley Black, Smithsonian Magazine, 1 June 2021 Word History First Known Use 1851, in the meaning defined above Kids Definition premolar noun pre·​mo·​lar ˈprē-ˈmō-lər  : a double-pointed tooth that comes between the canines and molars Medical Definition premolar 1 of 2 adjective pre·​mo·​lar -ˈmō-lər  : situated in front of or preceding the molar teeth especially : being or relating to those teeth of a mammal in front of the true molars and behind the canines when the latter are present premolar 2 of 2 noun 1 : a premolar tooth that in humans is one of two in each side of each jaw called also bicuspid 2 : a milk tooth that occupies the position later taken by a premolar tooth of the permanent dentition
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