concretion
/kənˈkriːʃən/noun
1- a hard solid mass formed by the local accumulation of matter, especially within the body or within a mass of sediment固结物, 凝结物。
1.1
- mass noun the formation of such a mass固结, 凝结。
派生词
concretionary
adjective词源
mid 16th cent.: from Latin concretio（n-）， from concrescere 'grow together'.