amygdale

/ əˈmɪɡdeɪl /

noun

1. a vesicle in a volcanic rock, formed from a bubble of escaping gas, that has become filled with light-coloured minerals, such as quartz and calcite Also calledamygduleəˈmɪɡdjuːl

Word History and Origins

Origin of amygdale¹

C19: from Greek: almond