amygdaloid

amygdaloid

[uh-mig-duh-loid]
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.
adjective Also, amygdaloidal.
2.
(of rocks) containing amygdules.
4.
Anatomy. of or pertaining to an amygdala.

Origin:
1785–95; < Latin amygdal(a) almond + -oid

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World English Dictionary
amygdaloid (əˈmɪɡdəˌlɔɪd)
 
n
1.  a volcanic igneous rock containing amygdales
 
adj
2.  having the shape of an almond
3.  a less common form of amygdaloidal

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

amygdaloid a·myg·da·loid (ə-mĭg'də-loid') or a·myg·da·loi·dal (ə-mĭg'də-loid'l)
adj.

  1. Shaped like an almond.

  2. Of or relating to an amygdala.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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