amygdaloid

[ uh-mig-duh-loid ]
/ əˈmɪg dəˌlɔɪd /

noun Petrology.

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 a·myg·da·loi·dal.

(of rocks) containing amygdules.
Anatomy. of or relating to an amygdala.

Origin of amygdaloid

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

Example sentences from the Web for amygdaloid

British Dictionary definitions for amygdaloid

amygdaloid
/ (əˈmɪɡdəˌlɔɪd) /

noun

a volcanic igneous rock containing amygdales

adjective

having the shape of an almond
a less common form of amygdaloidal (def. 1)

Medical definitions for amygdaloid

amygdaloid
[ ə-mĭgdə-loid′ ]

adj.

Shaped like an almond.
Of or relating to an amygdala.