Blister
/ˈblɪstɚ/
noun
A small bubble between the layers of the skin that contains watery or bloody fluid and is caused by friction and pressure, burning, freezing, chemical irritation, disease or infection.
A swelling on a plant.
Something applied to the skin to raise a blister; a vesicatory or other applied medicine.
Synonyms: bleb
verb
To raise blisters on.
“a chemical agent that blisters the skin”
To have a blister form.
To criticise severely.
Synonyms: vesicate