0 past simple and past participle of descale
1 to remove scale (= a layer of hard white material) from something:
The data were descaled to meet the criteria for assessing the goodness of fit (scaled deviance < 2).
After heat treatment they are descaled to remove any residue or by-products.
An 80 m wide auxiliary spillway was constructed, two new 900 mm butterfly valves installed and existing valves descaled and motorised.
For descaling, various acidic chemicals or brushes can be used or some heads have rubber-like jets that can be manually descaled.
It is then descaled with rollers, sheared into blanks, and transferred through several successive forming stages, during which it is upset, preformed, final forged, and pierced (if necessary).
