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单词	selenodont
释义	selenodont /sɪˈliːnə(ʊ)dɒnt / adjective Zoology 1(Of molar teeth) having crescent-shaped ridges on the grinding surfaces, characteristic of ruminant mammals.Correlated with this diet is the evolution of selenodont molar teeth - teeth with crescent-shaped ridges - for more efficient grinding of plants, as seen in this picture of Eocene artiodactyl teeth.... In selenodont molars, the enamel ridges form characteristic crescent shapes. The molars of macropodids are hypsodont, quadritubercular, and either selenodont or lophodont or a combination of the two forms. 1.1(Of a ruminant mammal) having selenodont teeth. Origin Late 19th century: from seleno- 'moon-shaped' + Greek odous, odont- 'tooth'.
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