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physogastric

[fahy-suh-gas-trik]
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adjective
  1. pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
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Origin of physogastric

First recorded in 1910–15; physo- + gastric
Related formsphy·so·gas·trism, phy·so·gas·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018