Botryolite
Pronunciation : Bot"ry*o*lite
Part of Speech : n.
Etymology : [Gr. cluster of grapes + -lite.] (Min.)
Definition : Defn: A variety of datolite, usually having a botryoidal structure.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder