pneumatocyst

[ noo-mat-uh-sist, nyoo-, noo-muh-tuh-, nyoo ]

nounBiology.
  1. the cavity of a pneumatophore.

Origin of pneumatocyst

1
First recorded in 1855–60; pneumato- + -cyst

Words Nearby pneumatocyst

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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