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.
What is Attachment? Attachment is a special emotional relationship that involves an exchange of comfort, care, and pleasure. The roots of research on attachment began with Freud's theories about love, but another researcher is usually credited as the father of attachment theory.