radiation symbol
☢
A symbol used to warn people that the substance is radioactive. This symbol is usually seen on the container used to store or transport them. The only place in public where you can see this symbol is in the X-ray room in hospitals and in nuclear medicine centers.
On Danbooru, most commonly associated with Reiuji Utsuho, for her ability to manipulate nuclear fission.
See Also
The following tags are aliased to this tag: nuclear_symbol (learn more).