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.
See Synonyms at attachment. 2. appurtenances Equipment, such as clothing, tools, or instruments, used for a specific purpose or task; gear. 3. Law A right, privilege, or property that is considered incident to the principal property for purposes such as passage of title, conveyance, or inheritance.