详细解释:n. 凝固, 凝固物, 结石
【医】 凝结物, 结石; 粘连; 凝结(作用)
词型变化：
形容词:concretionary英语解释：
名词 concretion:
the formation of stonelike objects within a body organ (e.g., the kidneys)a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body同义词：calculus