Alpha radiation and Corpuscular radiation

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

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

Corpuscular 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 corpuscular radiation are semantically related. Sometimes you can replace phrase "Alpha radiation" with "Corpuscular radiation", this phrases are similar.