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amygdale

British  
/ əˈmɪɡdeɪl /

noun

  1. Also called: amygdule.  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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of amygdale

C19: from Greek: almond

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But slicing the brain like so much salami deforms the tissue and makes it difficult to work out long-range connections, like those between such far-flung regions as the prefrontal cortex and the amygdale.

From Reuters

If the hippocampus helps record facts, a more basic brain structure, the amygdale, records fear.

From Seattle Times