Electron radiation and Particulate radiation

Electron radiation noun - Radiation of beta particles during radioactive decay.

Particulate radiation and electron radiation are semantically related. In some cases you can use "Particulate radiation" instead a noun phrase "Electron radiation".

Particulate radiation noun - A stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons).

Electron radiation and particulate radiation are semantically related. Sometimes you can replace phrase "Electron radiation" with "Particulate radiation", this phrases are similar.