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.
almond-shaped.
Anatomy. of or relating to an amygdala.

Origin of amygdaloid

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

Words nearby amygdaloid

amygdale, amygdalic, amygdaliform, amygdalin, amygdaline, amygdaloid, amygdaloid fossa, amygdaloid nucleus, amygdaloidal, amygdaloside, amygdule

Example sentences from the Web for amygdaloidal

British Dictionary definitions for amygdaloidal (1 of 2)

amygdaloidal
/ (əˌmɪɡdəˈlɔɪdəl) /

adjective

(of a volcanic rock) containing amygdales
a less common form of amygdaloid (def. 2)

British Dictionary definitions for amygdaloidal (2 of 2)

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 amygdaloidal

amygdaloid
[ ə-mĭg′də-loid′ ]

adj.

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