botryoid
/ˈbɑtriɔɪd/
adjective
- Shaped like a bunch of grapes; having a clustered, rounded form.
- The botryoid shape of the agate made it a favorite among collectors.
- Geologists often describe certain rock formations as botryoid when they have rounded bumps.
- The mineral specimen had a botryoid surface, like tiny grapes clustered together.
Synonyms