Definition of bleb in English:


Line breaks: bleb
Pronunciation: /blɛb


  • 1A small blister on the skin.
    More example sentences
    • Interestingly, there were no other lesions (i.e., blebs or bullae) present.
    • In the early stages of the disease the alveolar walls appear perfectly normal while in the later stages, fibrosis of the alveolar wall with blebs and bullae is common.
    • Antimetabolites are used to decrease the likelihood of fibrosis and scar formation in blebs and to increase the success rate of infiltration.
  • 1.1A small bubble in glass or in a fluid.
    More example sentences
    • Place the glass bleb flat-side down on top of the glue drop on the front of the Mars picture, pressing down to spread the glue, and centering the bleb.
    • But I noticed that some of the rims have some manufacturer's flaws - one has a small bleb of extra glass and another has a slightly uneven rim.
    • A bleb of glass with clinopyroxene and plagioclase is located below and to the right of the large plagioclase phenocryst.
  • 1.2 Biology A rounded outgrowth on the surface of a cell.
    More example sentences
    • Plasma membrane blebs and cytoskeletal disruptions occur in association with intercellular and intracellular gaps exposing basement membrane.
    • A few cells have numerous tiny blebs on the cell membrane and orange nuclei colored with EtBr, which indicates some disturbance of the plasma membrane permeability.
    • The calculated membrane strains were in good agreement with experimentally observed and predicted strains in aspirated blebs from red blood cells.


early 17th century: variant of blob.

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