Beta ray and Ionizing radiation

Beta ray noun - Radiation of beta particles during radioactive decay.

Ionizing radiation and beta ray are semantically related. In some cases you can use "Ionizing radiation" instead a noun phrase "Beta ray".

Ionizing radiation noun - High-energy radiation capable of producing ionization in substances through which it passes.

Beta ray and ionizing radiation are semantically related. Sometimes you can replace phrase "Beta ray" with "Ionizing radiation", this phrases are similar.