C2nounsciencehealth
US/ɪˈlek.troʊd/
UK/ɪˈlek.trəʊd/
a small piece of metal or other material through which electricity enters or leaves a device or the body
In context
The nurse attached electrodes to his chest to check his heart.
In a battery, chemical reactions take place at each electrode.
Researchers placed tiny electrodes on the volunteers' heads to record brain activity.
Words that go with electrode
adjective + noun
- positive electrodethe end of a battery where current entersThe positive electrode of a battery is called the anode.
- negative electrodethe end of a battery where current leavesThe negative electrode collects electrons during use.
- implanted electrodessmall metal sensors placed inside the bodyImplanted electrodes help control the patient's tremors.
verb + noun
- attach electrodesfix small metal sensors onto the bodyThe nurse attached electrodes to his chest.