While the moment in time at which a particular nucleus decays is unpredictable, a collection of atoms of a radioactive nuclide decays exponentially at a rate described by a parameter known as the half-life, usually given in units of years when discussing dating techniques.
DEFINITION of 'Attachment'. A legal term referring to the action of seizing property in anticipation of a favorable ruling for a plaintiff who claims to be owed money by the defendant. Next Up.
1. Something added or attached to an entity of greater importance or size; an adjunct. See Synonyms at attachment. 2. Biology A part or organ, such as an arm, leg, tail, or fin, that is joined to the axis or trunk of a body.