blister
n.n. a small, fluid-filled bubble on the skin caused by heat, friction, or a burn. In cooking, it can also describe a small bubble that forms on the surface of a liquid.
n. a small, fluid-filled cavity on the skin caused by friction, heat, or a chemical reaction. In a culinary context, it refers to a small bubble that rises to the surface of a liquid during heating.
I got a blister on my hand from carrying the heavy bag.
The chef watched the sauce carefully for any sign of a blister forming on its surface.
While a small blister on the skin is often a minor inconvenience, a large one can become quite painful and may require medical attention to prevent infection.
From Middle English blister, from Old French blestre, from a Germanic source. Compare Middle Dutch blyster (“swelling”), Old Norse blastr (“a blowing”).