S: (n) disability, disablement, handicap, impairment (the condition of being unable to perform as a consequence of physical or mental unfitness) "reading disability"; "hearing impairment"
S: (n) decay, radioactive decay, disintegration (the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation)
S: (n) annihilation, disintegration (total destruction) "bomb tests resulted in the annihilation of the atoll"