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.
A writ of attachment is a court order used to force obedience to another order or a judgment of the court. It was originally used to order a sheriff or law enforcement officer to take a disobedient party into custody and to bring her before the court to answer for the Contempt.