1
: containing, composed of, or characterized by vesicles
vesicular lava
2
: having the form or structure of a vesicle
3
: of or relating to vesicles

Examples of vesicular in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The vesicular lesions often then become pustular, meaning the clear fluid has become opaque. Claire Wolters, Verywell Health, 12 Mar. 2024 The color of the glass is a pale bottle green, and the material is extremely vesicular, with the size of the bubbles ranging to nearly the full thickness of the specimen. David Bressan, Forbes.com, 16 July 2025 EVs, including nanometre-size exosomes and submicron-size microvesicles, are membraneenclosed vesicular compartments that transport proteins, lipids and miRNAs in the extracellular environment. Chao Yan, Scientific American, 17 June 2020

Word History

Etymology

New Latin vesicula vesicle, from Latin, small bladder

First Known Use

1715, in the meaning defined at sense 1

Time Traveler
The first known use of vesicular was in 1715

Browse Nearby Words

Cite this Entry

“Vesicular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vesicular. Accessed 7 Jul. 2026.

Medical Definition

vesicular

adjective
1
: characterized by the presence or formation of vesicles
a vesicular rash
2
: having the form of a vesicle
a vesicular lesion
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