A hazard symbol for radiation or radioactivity. May appear similar to a three-pronged fan at small sizes.
Generally displayed on an orange or yellow background.
Radioactive was approved as part of Unicode 1.1 in 1993 under the name “Radioactive Sign” and added to Emoji 1.0 in 2015.
U+2622
U+FE0F
☢️ Radioactive sign
☢️ Variation selector-16