blotch

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blotch

(bloch),
Commonly used term to denote a pigmented or erythematous lesion.

blotch

a skin discoloration that may vary in severity from an area of pigmentation to large pustules or blisters.

blotch

A popular term for large pustule, coarse eruption or rash.

blotch

(bloch)
A skin lesion characterized by irregularly shaped spots.
See also: spot
References in periodicals archive ?
From (30), it can be seen that blotching is governed, respectively, by a density ratio, a group comparing humidity to volatility, an aspect ratio, and a dimensionless line speed.
Equation (31) captures the nonlinear coupling of the metering and the drying and is recommended for troubleshooting blotching by upstream adjustment.
Blotchability is a new dimensionless group that governs when blotching will occur.