vesicle Hear it!

vesicle definition

vesi·cle (ves′i kəl)

noun

  1. a small, membranous cavity, sac, or cyst; specif.,
    1. Anat., Med. a small cavity or sac filled with fluid; esp., a small, round elevation of the skin containing a serous fluid; blister
    2. Bot. a small, bladderlike sac filled with air or liquid
  2. Geol. a small, spherical cavity in volcanic rock, produced by bubbles of air or gas in the molten rock

Etymology: < Fr or L: Fr vésicule < L vesicula, dim. of vesica, bladder

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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