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concretion n. 凝固,凝固物,结石 凝固,凝固物,结石 concretion n 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; "renal calculi can be very painful" [synonym: {calculus}, {concretion}] 3: an increase in the density of something [synonym: {compaction}, {compression}, {concretion}, {densification}] 4: the union of diverse things into one body or form or group; the growing together of parts [synonym: {coalescence}, {coalescency}, {coalition}, {concretion}, {conglutination}] Concretion \Con*cre"tion\, n. [L. concretio.]
1. The process of concreting; the process of uniting or of becoming united, as particles of matter into a mass; solidification. [1913 Webster] 2. A mass or nodule of solid matter formed by growing together, by congelation, condensation, coagulation, induration, etc.; a clot; a lump; a calculus. [1913 Webster] Accidental ossifications or deposits of phosphates of lime in certain organs . . . are called osseous concretions. --Dunglison. [1913 Webster] 3. (Geol.) A rounded mass or nodule produced by an aggregation of the material around a center; as, the calcareous concretions common in beds of clay. [1913 Webster]
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