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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 con·cre·tion /kɑnˈkriʃən, kən-/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 con·cre·tion /kɑnˈkrɪʃən, kən-/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Con·cre·tion n.
 1. The process of concreting; the process of uniting or of becoming united, as particles of matter into a mass; solidification.
 2. A mass or nodule of solid matter formed by growing together, by congelation, condensation, coagulation, induration, etc.; a clot; a lump; a calculus.
    Accidental ossifications or deposits of phosphates of lime in certain organs . . . are called osseous concretions.   --Dunglison.
 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.

From: WordNet (r) 2.0

      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" [syn: calculus]
      3: an increase in the density of something [syn: compaction,
         compression, densification]
      4: the union of diverse things into one body or form or group;
         the growing together of parts [syn: coalescence, coalescency,
          coalition, conglutination]