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[ adjective ] containing an unusual amount of grease or oil
Synonyms Examples "greasy hamburgers" "oily fried potatoes" "oleaginous seeds" Used in print (Jay C. Harris and John R. Van Wazer, "Detergent...)Greasy soils , which are typified by hydrocarbons and fats ( esters of glycerol with long chain organic acids ) . Greasy soils are hardly removed by washing in plain water ; and natural waters , in_addition , often contain impurities such_as calcium salts which can react with soils to make them more difficult to remove . The detergent active is that substance which primarily acts to remove greasy soils . Obviously hydrophobic ( oleophilic ) substances such_as greases , oils , or particles having a greasy or oily surface are more at_home in the center of a micelle than in the aqueous phase . In the cleaning process , sorbed greasy soils become coated in this manner with an oriented film of surfactant . Related terms |
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