What does "dirty bomb" mean?

A device containing conventional explosives and radioactive material, designed to spread radiation over a wide area.

What is a synonym for "dirty bomb"?

Common synonyms include: a-bomb, h bomb, hydrogen bomb.

noun

noun ·Rare ·Advanced level

Noun

1
A device containing conventional explosives and radioactive material, designed to spread radiation over a wide area.
"Without providing evidence, Shoigu said Ukraine could escalate by using a “dirty bomb” – conventional explosives laced with radioactive material."
2
an atom bomb that leaves considerable radioactive contamination wordnet
3
A nuclear bomb that spreads radiation over a wide area due to inefficiency or by design.

"Without providing evidence, Shoigu said Ukraine could escalate by using a “dirty bomb” – conventional explosives laced with radioactive material."