concretion
nounEtymology Borrowed from French concrétion, or Latin concretio.
1
The process of aggregating or coalescing into a mass.
2
A solid, hard mass formed by a process of aggregation or coalescence.
3
Geography, Geology, Natural sciences, Petrology A rounded mass of a mineral, sometimes found in sedimentary rock or on the ocean floor.
- Of the three beds, the central one is the most compact, and more like ordinary sandstone: it includes numerous flattened spherical concretions.1844, Charles Darwin, chapter 5, in Geological Observations on South America:
4
The action of making something concrete or the result of such an action.
- "My new statue!" said Kenyon. . . . "It is the concretion of a good deal of thought, emotion, and toil of brain and hand."1860, Nathaniel Hawthorne, chapter 14, in The Marble Faun:
- Derived terms
- bioconcretion, concretional, concretionary, rhizoconcretion
- Related terms
- concrete