IPA: /bəˈtrɔɪd/
KK: /bɑːˈtrɔɪd/
Having the shape or appearance of a bunch of grapes, often used to describe certain minerals that have small, round protrusions.
The mineral specimen displayed a botryoid structure, resembling a cluster of grapes.
Botryoid is formed from "botrys" (from Greek, meaning bunch of grapes) and "-oid" (meaning resembling or like). The word describes something that resembles a bunch of grapes in shape or appearance.
Imagine a shape that looks like a 'bunch of grapes' — that's what 'botryoid' means, something that resembles that form.