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.
Attachment is an emotional bond to another person. Bowlby believed that the earliest bonds formed by children with their caregivers have a tremendous impact that continues throughout life. He suggested attachment also serves to keep the infant close to the mother, thus improving the child's chances of survival.