adjective
- Having a shape resembling a bunch of grapes; composed of rounded, clustered lobes or nodules.
Usage: technical; mineralogy; geology
Examples
- The mineral specimen displayed a botryoidal texture with small rounded protrusions.
- Botryoidal hematite forms distinctive grape-like clusters in certain iron ore deposits.
- The geologist identified the botryoidal structure under the microscope.
- Malachite can develop botryoidal formations in copper ore bodies.
- The botryoidal surface of the crystal resembled a bunch of tiny spheres.