concretion
- n. 结石；凝固；凝固物
英英释意
- 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"
- 3. an increase in the density of something
- 4. the union of diverse things into one body or form or group; the growing together of parts