diode
Diode (noun) means an electronic component that lets electric current flow in one direction only. Example: “The circuit uses a diode to stop the battery being connected the wrong way round.”
How to use diode
Learner’s notesIn plain EnglishA small electronic part that passes current one way and not the other.
It is a technical term used in electronics and physics.
Fill the gap
Can you complete this real example?
The circuit uses a _____ to stop the battery being connected the wrong way round.
Etymology
The word was coined in 1919 by William Henry Eccles from di- and -ode. It was modelled on the Ancient Greek word diodos, meaning a passage through.