Home › Words › D › descumdescumdescum · noun — the removal of residual photoresist to facilitate etching from wafers after photolithography.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom de- + scum.nounThe removal of residual photoresist to facilitate etching from wafers after photolithography.verbTo remove the scum from.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.despumate 67% match — To skim the froth or other impurities from a liquid, to clarify, purify. vs descum →decrust 67% match — To remove the crust from. vs descum →despume 66% match — To free from spume, foam or scum. vs descum →decrud 66% match — To remove the crud from. vs descum →decream 66% match — To remove cream from. vs descum →decrumb 66% match — To remove the crumbs from. vs descum →despumation 64% match — The act of giving off froth or scum. vs descum →unskin 63% match — To remove the skin from. vs descum →