a·myg·dule 
(ə-mĭgdyl)
(ə-mĭgdyl)n.
A small gas bubble in igneous, especially volcanic, rock filled with secondary minerals such as zeolite, calcite, or quartz.
[Latin amygdala, almond (from its shape); see AMYGDALA + (NOD)ULE.]
- equidistance
- equidistant
- equidistantly
- equilateral
- equilaterally
- equilibrate
- equilibration
- equilibrator
- equilibratory
- equilibrist
- equilibristic
- equilibrium
- equimolar
- equine
- equine infectious anemia
- equinoctial
- equinoctial circle
- equinox
- equip
- equipage
- equipment
- equipoise
- equipollence
- equipollent
- equipollently