An electrode is a small piece of metal or other substance that is used to take an electric currentto or from a source of power, a piece of equipment, or a living body.
The patient's brain activity is monitored via electrodes taped to the skull.
electrode in British English
(ɪˈlɛktrəʊd)
noun
1.
a conductor through which an electric current enters or leaves an electrolyte, an electric arc, or an electronic valve or tube
2.
an element in a semiconducting device that emits, collects, or controls the movement of electrons or holes
electrode in American English
(iˈlɛkˌtroʊd; ɪˈlɛkˌtroʊd)
noun
any terminal that conducts an electric current into or away from various conducting substances in a circuit, as the anode or cathode in a battery or the carbons in an arc lamp, or that emits, collects, or controls the flow of electrons in an electron tube,as the cathode, plate, or grid
Word origin
electro- + -ode1
Examples of 'electrode' in a sentence
electrode
Next they attached electrodes on the core muscles.
Times, Sunday Times (2016)
The aim was to see if the amputees could use the electrodes to move an artificial hand.
Times, Sunday Times (2013)
So a camera is installed in his home and electrodes placed on his head to monitor brain activity.
The Sun (2008)
Some of the electrodes were then used to record signals and some to pump in data from outside.
Times, Sunday Times (2011)
They also placed electrodes on the skin of chickens to identify the precise muscle movements underlying each stage of feeding.
Times, Sunday Times (2014)
The troops would hear the message either in a microphone or through electrodes placed in the auditory cortex of their brains.
The Times Literary Supplement (2014)
It is thought that one reason may be that the implants use electrodes that are stiff and can damage brain tissue over time.
Times, Sunday Times (2008)
They used electrodes implanted into the rodents' skulls to measure how the drug affected the electrical activity of hundreds of neurons.
Times, Sunday Times (2011)
A paralysed man has walked again thanks to an electronic device that connected his brain signals to electrodes attached to his legs.
Times, Sunday Times (2015)
No drugs are involved, just electrodes attached to the nerve, which runs down the neck.
Times, Sunday Times (2011)
During surgery, electrodes were attached to his muscles, allowing intuitive control of movement.
Times, Sunday Times (2014)
So - usual practise - they stick electrodes into his brain to jolt his memory.
Times, Sunday Times (2008)
Small electrical pulses are delivered to the body via electrodes placed on the skin, and these are thought to affect theway pain signals reach the brain.
Times, Sunday Times (2007)
In a California programme electrodes were put into the brains of adult green June beetles near the brain cells that control flight.
The Sun (2008)
It is also a very extreme intervention, requiring electrodes to be placed inside the brain, with wires coming out of the skull.
Times, Sunday Times (2016)
She's also got a backpack on her shoulders and canvas straps hanging from her legs, the telltale sign that electrodes are attached to both calves.
Times, Sunday Times (2007)
A WOMAN has had electrodes placed in her brain in an experimental op to try to cure her anorexia.
The Sun (2015)
In other languages
electrode
British English: electrode NOUN
An electrode is a small piece of metal or other substance that is used to take an electric current to or from a source of power, a piece of equipment, or a living body.
The patient's brain activity is monitored via electrodes taped to the skull.