To reduce or eliminate the polarization of something, especially in a biological context, such as a cell membrane. The medication works to depolarize the nerve cells, helping to alleviate the patient's symptoms.
To cause a reduction in the division or polarization of opinions or attitudes. The new policy aims to depolarize the political climate by encouraging open dialogue between opposing parties.
To remove or randomize the polarization of electromagnetic radiation such as light or radio waves. Placing a depolarizer in front of the lens will depolarize the incoming light.