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.
An individual who receives an interest in, or ownership of, land, tenements, or hereditaments from an ancestor who has died intestate, through the laws of Descent and Distribution. At Common Law, an heir was the individual appointed by law to succeed to the estate of an ancestor who died without a will.