concretion
n. 1 hard solid mass. 2 forming of this by coalescence. [latin: related to *concrete]
n. The process of concreting; the process of uniting or of becoming united, as particles of matter into a mass; solidification.
n. 1 hard solid mass. 2 forming of this by coalescence. [latin: related to *concrete]
n. The process of concreting; the process of uniting or of becoming united, as particles of matter into a mass; solidification.