Origin of vesicular

1705–15; < New Latin vēsīculāris, equivalent to Latin vēsīcul(a) vesicle + -āris -ar1
Related formsve·sic·u·lar·ly, adverbin·ter·ve·sic·u·lar, adjectivenon·ve·sic·u·lar, adjectivenon·ve·sic·u·lar·ly, adverbsub·ve·sic·u·lar, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for vesicular

Historical Examples of vesicular

Word Origin and History for vesicular

1715, from Modern Latin vesicularis, from vesicula, diminutive of vesica "bladder" (see ventral).

Online Etymology Dictionary, © 2010 Douglas Harper

vesicular in Medicine


  1. Of or relating to vesicles.
  2. Composed of or containing vesicles.
  3. Having the form of a vesicle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

vesicular in Science


  1. A small fluid-filled sac in the body.
  2. A membrane-bound sac in eukaryotic cells that stores or transports the products of metabolism in the cell and is sometimes the site for the breaking down of metabolic wastes. Vesicles bulge out and break off from the endoplasmic reticulum and the Golgi apparatus. Vesicles get their energy for mobility from ATP. Lysosomes and peroxisomes are vesicles.
  3. A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.
Related formsvesicular adjective (vĕ-sĭkyə-lər, və-)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.