person exposed to radiation from a nuclear bomb
General term for anyone exposed to radiation from a nuclear explosion, not limited to Hiroshima or Nagasaki.
atomic bomb survivor; hibakusha
Specifically refers to survivors of the atomic bombings of Hiroshima or Nagasaki. Often used in historical, humanitarian, and peace contexts.
I listened to the firsthand account of a Hiroshima atomic bomb survivor.
A health survey was conducted on people exposed to radiation from nuclear tests.
Fundraising activities are being held to support hibakusha.
Compound of 被 (hi, 'suffer, be subjected to') + 爆 (baku, 'bomb, explosion') + 者 (sha, 'person').