concretion
1. [ noun ] the formation of stonelike objects within a body organ (e.g., the kidneys)
Related terms: natural_process
2. [ noun ] the union of diverse things into one body or form or group; the growing together of parts
Synonyms: coalescence conglutination coalition coalescency
Related terms: union blend coalesce coapt
3. [ noun ] (geology) a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
Synonyms: calculus
Examples:

"renal calculi can be very painful"

Related terms: rock gallstone urolith sialolith enterolith ptyalith kidney_stone bladder_stone
4. [ noun ] an increase in the density of something
Synonyms: compression densification compaction
Related terms: concentration concrete
Similar spelling:   conscription
  congregation
  concretise
  concretize
  concretism
  concerto
  concrete
  congregating
  concreteness
  concretistic
  concertina
  concretely
  concurrent
  congressional
  concert
  coinsure
  concurrently
  concurrence
  concern
  concordat
  conscript
  concerted
  concert_band
  concerned
  concertize
  concertise
  concert_dance