Mottle

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Mottle

Discoloration in processed food, which can be unappetizing and may result in the return of the food to the store for a refund.
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References in periodicals archive ?
Effect of quantum mottle on radiographic image quality.
Film graininess, nonuniformity of screen phosphor and quantum mottle contribute to overall radiographic mottle.[2] Of these three factors, quantum mottle is the dominant component and is the most important consideration regarding noise in the image.[3] Quantum mottle is defined as the statistical fluctuation in the number of photons per unit area that contribute to image formation.[4]
Quantum mottle becomes more pronounced when the number of x-ray photos absorbed in the screen is decreased, such as by reducing the radiation dose.