bot·ry·oi·dal /ˌbɑtriˈɔɪdḷ/
葡萄狀的
Bot·ry·oid Bot·ry·oid·al a. Having the form of a bunch of grapes; like a cluster of grapes, as a mineral presenting an aggregation of small spherical or spheroidal prominences; as, botryoidal hematite.
Syn: -- botryose.
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botryoidal
adj : resembling a cluster of grapes in form [syn: botryoid, boytrose]