Meaning of CONCRETION in English

CONCRETION

n.1 a a hard solid concreted mass. b the forming of this by coalescence.

2 Med. a stony mass formed within the body.

3 Geol. a small round mass of rock particles embedded in limestone or clay.

Derivatives:

concretionary adj.

Etymology: F f. L concretio (as concrete)

Oxford English vocab.      Оксфордский английский словарь.