from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any substance added to the electrolyte of a battery that produces hydrogen in order to combine with the liberated hydrogen and prevent the build up of pressure.
from the GNU version of the Collaborative International Dictionary of English
- n. A substance used to prevent polarization, as upon the negative plate of a voltaic battery.
from The Century Dictionary and Cyclopedia
- n. That which depolarizes; specifically, in electricity, a substance used in a battery-cell for the purpose of preventing polarization.
Sorry, no etymologies found.
Katzenbach was once described by The New York Times as a "reconciler, a depolarizer, a common-denominator seeker ... a cooler downer."
Manganese dioxide is used to: manufacture ferroalloys; manufacture dry cell batteries (it's a depolarizer); to "decolorize" glass; to prepare some chemicals, like oxygen and chlorine; and to dry black paints.
We designed a magnetic depolarizer, that looks like this, that you could have -- a lady, in her pocket book, and when you get an aura you can try it and see how it works.
The arrangement of the pile, A, is kept secret, and all that we can say of it is that zinc and chloride of silver are employed as a depolarizer.
This absorption or combination of the hydrogen prevents immediate polarization, but hydrogen is evolved during the operation of the cell more rapidly than it can combine with [typo was 'wth'] the oxygen of the manganese, thereby leading to polarization more rapidly than the depolarizer can prevent it when the cell is heavily worked.
In other forms the carbon electrode has moulded with it the manganese depolarizer.
As in the ordinary wet type of LeClanché cell, the purpose of the manganese is to act as a depolarizer; the carbon or graphite being added to give conductivity to the manganese and to form a large electrode surface.
Another chemical, a depolarizer, is needed to keep the carbon, which collects positive charges, from becoming coated with waste products as the zinc is oxidized.