Other forms: degreasing
To degrease is to remove thick fat from a surface. Degrease the extractor, degrease before painting.
Hot water and detergent do it because detergent grips water at one end and grease at the other. To degrease a surface before painting is what stops the paint lifting later.
1verbdegreaseTo remove thick fat from a surface.
“It took an evening to degrease the whole of the cooker hood.”
degrease is a cleaning.
Middle English
grece
English
grease
English, today
degrease
From de- + grease. grease comes from Middle English grece. From Middle English grece, from Anglo-Norman craisse, from Vulgar Latin crassia, noun derived from Latin crassus (“fat, thick”). a doublet of crass.
Etymology from Wiktionary, CC BY-SA