| disintegration | The process by which anything is disintegrated; the condition of anything which is disintegrated. <geology> Specifically The wearing away or falling to pieces of rocks or strata, produced by atmospheric action, frost, ice, etc. "Society had need of further disintegration before it could begin to reconstruct itself locally." (Motley) Source: Websters Dictionary (01 Mar 1998) |
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| disintegration constant | <physics, radiobiology> The fraction of the amount of a radionuclide that undergoes transition per unit time. Formally: Lamda=dP/dt Where dP is the probability of a given nucleus undergoing spontaneous nuclear transition in the time interval dt. (16 Dec 1997) |