meaning of concretion
1.  The process of concreting; the process of uniting or of becoming united, as particles of matter into a mass; solidification. 
2.  A mass or nodule of solid matter formed by growing together, by congelation, condensation, coagulation, induration, etc. ; a clot; a lump; a calculus. 
3.  A rounded mass or nodule produced by an aggregation of the material around a center; as, the calcareous concretions common in beds of clay. 
4.  the union of diverse things into one body or form or group; the growing together of parts
						 
Related Words
concretion | concretional | concretionary |
