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Definition of "vesicle" []

  • A small bladderlike cell or cavity. (noun)
  • Anatomy A small sac or cyst, especially one containing fluid. (noun)
  • Pathology A serum-filled blister formed in or beneath the skin. (noun)
  • Geology A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "vesicle" in a sentence
  • "Inside-outside transitions of phospholipids in vesicle membranes."
  • "All of the molecules in a given vesicle are identical; that is, a vesicle will contain only norepinephrine molecules or only GABA molecules."
  • "The punctured part on a boy's arm (who was inoculated with fresh limpid virus) on the sixth day, instead of shewing a beginning vesicle, which is usual in the cow-pox at that period, was encrusted over with a rugged, amber-coloured scab."