A blister is a fluid-filled bubble people get where something rubs or burns the skin. Common causes are wearing fancy new shoes, playing sports, and trying to cook bananas flambé. Having a blister is no fun.

A blister is a round raised area caused by repeated friction or rubbing. A second-degree burn can also cause a blister. A blister isn’t always a human problem. Plants can get blisters, and sometimes air bubbles on the surface of a painted wall or a shellacked table are called blisters. The verb blister means to form a blister. The Old French root word is blestre, "lump or bump."

Primary Meanings of blister

(pathology) an elevation of the skin filled with serous fluid
cause blisters to form on
subject to harsh criticism
Full Definitions of blister

n (pathology) an elevation of the skin filled with serous fluid

bleb, bulla
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water blister
blister containing a nonpurulent clear watery content
blood blister
blister containing blood or bloody serum usually caused by an injury
a small inflamed elevation of skin containing pus; a blister filled with pus
a pustule in an eruptive disease
Type of:
cyst, vesicle
a small anatomically normal sac or bladderlike structure (especially one containing fluid)

n (botany) a swelling on a plant similar to that on the skin

Type of:
enation, plant process
a natural projection or outgrowth from a plant body or organ

n a flaw on a surface resulting when an applied substance does not adhere (as an air bubble in a coat of paint)

Type of:
defect, fault, flaw
an imperfection in an object or machine

v cause blisters to form on

“the tight shoes and perspiration blistered her feet”
get blistered
Type of:
alter, change, modify
cause to change; make different; cause a transformation

v get blistered

“Her feet blistered during the long hike”
Type of:
intumesce, swell, swell up, tumefy, tumesce
expand abnormally

v subject to harsh criticism

“The Senator blistered the administration in his speech on Friday”
scald, whip
Type of:
assail, assault, attack, lash out, round, snipe
attack in speech or writing

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