¹ Source: wiktionary.com
Definition of Lipids
1. lipid [n] - See also: lipid
Medical Definition of Lipids
1. Biological molecules soluble in apolar solvents, but only very slightly soluble in water. They are an heterogenous group (being defined only on the basis of solubility) and include fats, waxes and terpenes. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)