Definitions

1. noun

a phenomenon in which a charged particle, usually an electron, moves through a medium at a speed greater than the speed of light in that medium, emitting radiation as it goes.

“The experiment demonstrated the Cerenkov effect, a phenomenon that can only occur when particles travel faster than light in a medium.”

2. proper noun

a Russian physicist, Pavel Alekseyevich Cerenkov, who was awarded the Nobel Prize in Physics in 1958 for his discovery of the Cerenkov effect.

“Pavel Cerenkov was a Russian physicist who discovered the Cerenkov effect, a phenomenon where charged particles emit radiation as they travel through a medium.”