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.
home / study / social sciences / psychology definitions / attachment. Attachment is a strong emotional connection, such as the bond between a child and caregiver. In psychology, the concept of attachment helps explain development and personality. In the 1950s, research by Harry Harlow suggested that baby monkeys (and, analogously, human infants) desire not merely to be fed but to connect emotionally with a caregiver.