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
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
The pressure amplified the pain from inflammation around the bleb.
—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
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Gary Phillips, New York Daily News, 12 July 2025
The pressure amplified the pain from inflammation around the bleb.
—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
Cite this Entry
“Bleb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bleb. Accessed 3 Nov. 2025.
Copy CitationMedical Definition
bleb
noun1
: a small blister compare bulla sense 2
2
: something resembling a bleb
especially
: a vesicular outpocketing of a plasma or nuclear membrane
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