bleb

noun

ˈbleb 

1

: a small blister

2

: bubble

also : a small particle

3

: something resembling a bleb

especially : a vesicular outgrowth of a plasma or nuclear membrane

blebbing

ˈble-biŋ 

noun

blebby

ˈble-bē 

adjective

Examples of bleb in a Sentence

Recent Examples on the Web

Fried, making his final start of the first half, noticed the bleb at the end of a 29-pitch third inning. — Gary Phillips, New York Daily News, 12 July 2025

On the lung’s surface, a pimple-like development called a bleb had popped. — John McPhee, The New Yorker, 13 Jan. 2025

Talk to your health care provider if your milk bleb is painful or doesn't go away on its own. — Donna Murray, Rn, Parents, 30 July 2024

Instead, the authors suggest that the erupting volcanic material drips out as floating blebs of lava (see above). — Erik Klemetti, WIRED, 21 Jan. 2013

Word History

Etymology

perhaps alteration of blob

First Known Use

1607, in the meaning defined at sense 1

Medical Definition

bleb

noun

ˈbleb 

1

: a small blister compare bulla sense 2

2

: something resembling a bleb

especially : a vesicular outpocketing of a plasma or nuclear membrane

blebbing

-iŋ 

noun

blebby

ˈbleb-ē 

adjective