or U 235
Origin of uranium 235
Examples from the Web for u-235
If you can use your demons to separate U-235 from U-238, you can use them for separating gold from sea water.
With a grim exultation pounding in his temples, Ward hurled a pellet of U-235 directly into their midst.
It was filled with neat rows of U-235 pellets, hardly an inch in diameter.
I could use it for separating U-235 from U-238 just as easily.