# bleb

> English word · Noun · IPA /blɛb/

## Definitions
1. A bubble, such as in paint or glass.
2. A large vesicle or bulla, usually containing a serous fluid.
3. An irregular bulge in the plasma membrane of a cell undergoing apoptosis.
4. A bubble-like inclusion of one mineral within another.

## Etymology
Possibly onomatopoeic, similarly to blob and blubber.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bleb