1. to remove or reduce the polarization of something, especially in physics or chemistry
Usage: technical; physics; chemistry
2. to cause a cell membrane to lose its electrical charge difference across the membrane
Usage: biology; medical

Examples

• The scientist used a special solution to depolarize the light beam.
• Certain chemicals can depolarize nerve cell membranes.
• The electrode was designed to depolarize the battery cell.
• Sodium ions entering the cell help depolarize the membrane.
• The researcher needed to depolarize the sample before analysis.
• When the membrane depolarizes, it triggers an action potential.