单词	alveolar ridge
释义	alveolar ridge noun 1 : the bony ridge or raised thickened border of the upper or lower jaw that contains the sockets of the teeth : alveolar process It is common for many of the teeth to be displaced from the alveolar ridge into the palate. M. A. Kettle et al. 2 : the gum-covered ridge of bone behind the teeth in the upper jaw Both sounds are fricatives made by creating a partial obstruction between the tongue and the alveolar ridge … Cognitive Science Word History First Known Use 1823, in the meaning defined at sense 1
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