1. A group of organic compounds that are mostly insoluble in water but soluble in nonpolar solvents; includes fats, oils, waxes, and steroids.
Usage: Also spelled 'lipids' (more common in modern usage).; Plural form; singular is 'lipide' or 'lipid'.; Technical/scientific term.

Examples

• Lipides are essential components of cell membranes.
• The body stores energy in the form of lipides.
• Saturated lipides can raise cholesterol levels.
• Fish oil contains beneficial lipides called omega-3 fatty acids.
• Scientists study how lipides affect heart health.