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amyg·da·loi·dal | \ ə-ˌmig-də-ˈlȯi-dᵊl 
\
\Definition of amygdaloidal
: of, being, or containing small cavities in igneous rock that are filled with deposits of different minerals (such as chalcedony)
Other Words from amygdaloidal
amygdaloid \ ə-ˈmig-də-ˌlȯid \ noun
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Time Traveler for amygdaloidal
The first known use of amygdaloidal was in 1797
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