1. shaped like an almond
Usage: technical
2. relating to or resembling the amygdala in the brain
Usage: medical; anatomical

1. a type of volcanic rock containing almond-shaped cavities filled with minerals
Usage: geological

Examples

• The amygdaloid structure was clearly visible under the microscope.
• Scientists studied the amygdaloid nuclei in the brain tissue samples.
• The geologist identified several amygdaloid formations in the ancient lava flow.
• The amygdaloid cavities were filled with quartz and calcite crystals.
• Her research focused on amygdaloid activity during emotional responses.
• The amygdaloid basalt showed evidence of gas bubbles from the original eruption.