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| a gadget; dingus; thingumbob. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| electric potential | |
| —n | |
| a. the work required to transfer a unit positive electric charge from an infinite distance to a given point against an electric field | |
| b. V, φ, Sometimes shortened to: potential the potential difference between the point and some other reference point | |
| electric potential
A measure of the work required by an electric field to move electric charges. Its unit is the volt. Also called voltage. See more at Ohm's law. |