impaction

n. 裝緊、壓緊

嵌入、嵌塞、阻生(牙)

學術名詞

• 衝擊：土木工程
• 嵌入：獸醫學
• 塞入：獸醫學
• 阻塞：獸醫學

英文釋義

1. the condition of being pressed closely together and firmly fixed
2. a disorder in which feces are impacted in the lower colon
3. a disorder in which a tooth is so crowded in its socket that it cannot erupt normally
4. a sharp collision produced by striking or dashing against something