Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Origin: electro- + Greek hodos 'way, path'

electrode

 noun
     
Related topics: Electrical
e‧lec‧trode [countable]
TEE a small piece of metal or a wire that is used to send electricity through a system or through a person's body:
The monkeys have electrodes implanted into the brain to measure their brain activity.
Definition from the Longman Dictionary of Contemporary English
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