botryoidal From WikiWord, the free dictionary /ˌbɒtɹiˈɔɪdəl/ English Contents DefinitionsRelated wordsReferences DefinitionsadjectiveHaving the form of a bunch of grapes. Related wordsSynonymsbotryoidboytrosebotryosebotryosphaeriaceousacinaceousboragineouscorymbiferousglomeraceousborraginaceouscorymboseboletoidbrosyglobuliferoustubulouscumulophyricbostrychoid References Wiktionary — botryoidal Wikipedia — botryoidal