concretion

About 0.14 uses per million words.

Meaning

1. noun The process of aggregating or coalescing into a mass.
2. noun A solid, hard mass formed by a process of aggregation or coalescence.
3. noun A rounded mass of a mineral, sometimes found in sedimentary rock or on the ocean floor.
4. noun The action of making something concrete or the result of such an action.

Similar words

compaction compression densification accretion coalescence concrete agglomeration glomeration conglomeration agglomerate

Often followed by

of in is and or was from which that

Word family

concretionary concretions