concretion

名词 concretion:

1. the formation of stonelike objects within a body organ (e.g., the kidneys)
2. a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
   同义词：calculus
3. an increase in the density of something
   同义词：compaction, compression, densification
4. the union of diverse things into one body or form or group; the growing together of parts
   同义词：coalescence, coalescency, coalition, conglutination

con.cre.tion

n.（名词）

The act or process of concreting into a mass; coalescence.
凝结：使凝成一团的过程或动作；凝结
The state of having been concreted:
凝固：被固化了的状态：
例句：
a concretion of seminal ideas in her treatise.
在她的论文中含有许多有待发展的思想

A solid, hard mass.
凝结物，固结物
Geology A rounded mass of mineral matter found in sedimentary rock.
【地质学】 混凝土：发现于沉积岩中的圆形矿石块
Pathology A solid mass, usually composed of inorganic material, formed in a cavity or tissue of the body; a calculus.
【病理学】 （医）结石：通常形成于人体内部器官中的由无机物构成的块状固体；结石

【引伸】
concre.tionar.y