Alpha radiation and Particulate radiation

Alpha radiation noun - The radiation of alpha particles during radioactive decay.

Particulate radiation and alpha radiation are semantically related. In some cases you can use "Particulate radiation" instead a noun phrase "Alpha 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).

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