impaction
im'pækʃәn
基本解释
n. 装紧, 压紧
[医] 嵌入, 嵌塞, 阻生(牙)
英文释义
n. the condition of being pressed closely together and firmly fixed
n. a disorder in which feces are impacted in the lower colon
n. a disorder in which a tooth is so crowded in its socket that it cannot erupt normally
上一个单词：impacting medium
下一个单词：impaction lesion