Noun 1. disintegration - in a decomposed state
decomposition
fragmentation - the disintegration of social norms governing behavior and thought and social relationships
decay - an inferior state resulting from the process of decaying; "the corpse was in an advanced state of decay"; "the house had fallen into a serious state of decay and disrepair"
2. disintegration - a loss (or serious disruption) of organization in some system; "a disintegration of personality"
disability, disablement, handicap, impairment - the condition of being unable to perform as a consequence of physical or mental unfitness; "reading disability"; "hearing impairment"
3. disintegration - separation into component parts
dissolution
fibrinolysis - a normal ongoing process that dissolves fibrin and results in the removal of small blood clots; "drugs causing fibrinolysis have been utilized therapeutically"
lysis - (biochemistry) dissolution or destruction of cells such as blood cells or bacteria
natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
4. disintegration - the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
radioactive decay, decay
alpha decay - radioactive decay of an atomic nucleus that is accompanied by the emission of an alpha particle
beta decay - radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle
nuclear reaction - (physics) a process that alters the energy or structure or composition of atomic nuclei
5. disintegration - total destruction; "bomb tests resulted in the annihilation of the atoll"
annihilation
extermination, extinction - complete annihilation; "they think a meteor cause the extinction of the dinosaurs"
demolition, wipeout, destruction - an event (or the result of an event) that completely destroys something