atomic bomb

Translations
атомная бомба
The atomic bomb was dropped on Hiroshima in 1945.
Атомная бомба была сброшена на Хиросиму в 1945 году.
Definitions
An atomic bomb is a weapon that derives its destructive power from nuclear reactions, specifically the fission of heavy atomic nuclei, such as uranium-235 or plutonium-239, resulting in a massive release of energy and a powerful explosion.
Words
atomic

adjective
атомный
bomb

noun
бомба