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amygdaloid

[uh-mig-duh-loid]
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noun Petrology.
  1. a volcanic rock in which rounded cavities formed by the expansion of gas or steam have later become filled with deposits of various minerals.
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adjective Also a·myg·da·loi·dal.
  1. (of rocks) containing amygdules.
  2. almond-shaped.
  3. Anatomy. of or relating to an amygdala.
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Origin of amygdaloid

1785–95; < Latin amygdal(a) almond + -oid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for amygdaloid

amygdaloid

noun
  1. a volcanic igneous rock containing amygdales
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adjective
  1. having the shape of an almond
  2. a less common form of amygdaloidal (def. 1)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

amygdaloid in Medicine

amygdaloid

(ə-mĭgdə-loid′)
adj.
  1. Shaped like an almond.
  2. Of or relating to an amygdala.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.