bioconcretion

noun

bioconcretion

noun

Etymology From bio- + concretion.

1

Hardened biological materials.

These relatively inert materials simply collect within the biomass and can sometimes gradually become bioconcretions.2007, D. Roy Cullimore, Practical Manual of Groundwater Microbiology, Second Edition:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.