botryoidal

[ bo-tree-oid-l ]
/ ˌbɒ triˈɔɪd l /

adjective Mineralogy.

having the form of a bunch of grapes: botryoidal hematite.
Also bot·ry·oid, botryose.

Origin of botryoidal

1810–20; < Greek botryoeid(ḗs) shaped like a bunch of grapes ( bótry(s) bunch of grapes + -oeidēs -oid) + -al1

OTHER WORDS FROM botryoidal

bot·ry·oi·dal·ly, adverb

British Dictionary definitions for botryoid

botryoidal

botryose (ˈbɒtrɪˌəʊs, -ˌəʊz)

/ (ˌbɒtrɪˈɔɪdəl) /

adjective

(of minerals, parts of plants, etc) shaped like a bunch of grapes

Word Origin for botryoidal

C18: from Greek botruoeidēs, from botrus cluster of grapes; see -oid

Medical definitions for botryoid

botryoid
[ bŏtrē-oid′ ]

adj.

Having numerous rounded protuberances resembling a bunch of grapes.

Scientific definitions for botryoid

botryoidal
[ bŏt′rē-oidl ]

Shaped like a bunch of grapes. Certain minerals and parts of organisms can be botryoidal.