Noun
the pole of a magnet that points toward the north when the magnet is suspended freely
the terminal of a battery that is connected to the positive plate
Source: WordNetIf the pH of the buffer is above the pI of the protein being run, the protein will migrate to the positive pole (negative charge is attracted to a positive pole). Source: Internet
The item to be etched (anode) is connected to its positive pole. Source: Internet