Radiumize comes from radium + -ize; radium was coined by Marie and Pierre Curie from Latin radius ('ray'), so named for the rays it emits. The historical chain includes New Latin radium and Latin radius. Older glosses in the chain include "ray", which help explain the semantic range of the modern word. Morphologically, radiumize is best read as compound, suffixal formation, and borrowing, yielding an English verb shaped by both form history and later usage. In current English it functions as a verb, with the sense "to treat or impregnate with radium or radioactive material". related forms include radium, radius, radiate, and radioactive. The result is an English verb whose etymology preserves the older forms while supporting the word's specialized modern meaning.