- [noun] the formation of stonelike objects within a body organ (e.g., the kidneys)
- [noun] 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"
- [noun] an increase in the density of something
Synonyms: compaction, compression, densification
- [noun] the union of diverse things into one body or form or group; the growing together of parts
Synonyms: coalescence, coalescency, coalition, conglutination