Concretion
01
the process or result of uniting diverse elements into a single body, form, or group
例子
Concretion of ideas produced a coherent theory.
02
an increase in the density or compactness of a substance
例子
Sedimentary layers show signs of concretion over time.
03
结核, 团块
a hard lump or mass formed in sedimentary rock by natural cementing processes
例子
Concretions often form around fossils, preserving them in sedimentary layers.
结核常在化石周围形成，将其保存在沉积层中。
04
the formation of stonelike masses within a body organ, typically due to deposition of minerals
例子
The patient developed a gallbladder concretion.
