concretion noun. [kǝn'kri:ʃ(ǝ)n] M16.
[French concrétion or Latin concretio(n-), from concret- pa. ppl stem of concrescere: see CONCRETE adjective & noun.]
1. The action or process of growing together or uniting in one mass; coalescence. M16.
b. Congelation or coagulation of a liquid. E17.

2. Union with a material thing. E17-M18.

3. A concreted mass (of); a lump, a nodule. E17.
b. spec. Medicine. A calculus or hardened deposit in the body. M17.
c. Geology. A nodule of distinct mineral composition occurring (usu. around a nucleus) in sedimentary rock. M19.

4. The action of expressing (an idea etc.) in concrete form; an embodiment in concrete form. M17.

■ concretionary adjective (esp. Geology) formed by concretion; marked by or consisting of concretions: M19.

[TahlilGaran] English Dictionary ▲