CONCRETION

Definition

1. noun the formation of stonelike objects within a body organ (e.g., the kidneys).
2. noun a hard lump produced by the concretion of mineral salts. — synonyms: calculus
3. noun an increase in the density of something. — synonyms: compaction, compression, densification
4. noun the union of diverse things into one body or form or group. — synonyms: coalescence, coalescency, coalition, conglutination