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.
4 an attraction or repulsion between the molecules of unlike substances in contact: distinguished from cohesion. 5 (Pathol) abnormal union of structures or parts. (C17: from Latin adhaesion-a sticking. See adhere). Adhesion is the preferred term when talking about sticking or holding fast in a physical sense. Adherence is preferred when talking about attachment to a political party, cause, etc. English Collins Dictionary-English Definition & Thesaurus &nbsp. See also: adhesive, adhesiveness, Acheson, adhesively.