Any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids.‘The membrane lipids of thermophilic bacteria are rich in saturated fatty acids.’
- ‘Alkaloids, phenols, antioxidants and lipids were never detected.’
- ‘It includes the glycerol and carbonyl groups and the hydrocarbon chains of the lipid.’
- ‘The peptide was frozen in place while the lipids and water were briefly allowed to relax around it.’
- ‘Acidic lipids enhance the adsorption of positive ions due to their negative charge.’
Early 20th century from French lipide, based on Greek lipos ‘fat’.