botryoidal
[bo-tree-oid-l]
adjective Mineralogy.
having the form of a bunch of grapes: botryoidal hematite.
Also bot·ry·oid, botryose.
Origin of botryoidal
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
botryoidal
botryose (ˈbɒtrɪˌəʊs, -ˌəʊz)
adjective
Word Origin for botryoidal
C18: from Greek botruoeidēs, from botrus cluster of grapes; see -oid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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botryoid
[bŏt′rē-oid′]
adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
botryoidal
[bŏt′rē-oid′l]
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.