Definitions

1. noun

A component of a photomultiplier tube, consisting of a series of electrodes in a chain, used to convert light into electrical current.

“The scientists used a dynode to measure the intensity of the light emitted by the radioactive substance.”

2. noun

A unit of a scanning electron microscope that converts the signal from an electron detector into an electrical signal.

“The researchers used a dynode to amplify the signal from the electron detector and improve the image quality.”