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.
Definition of attach. 1  transitive verb. 2  1 : to take by legal authority especially under a writ attached the property. 3  2a : to bring (oneself) into an association attached herself to their causeb : to assign (an individual or unit in the military) temporarily. 3 : to bind by personal ties (as of affection or sympathy) was strongly attached to his family. 4 : to make fast (as by tying or gluing) attach a label to a package.