lyso-, lyo-, ly-, -lysin, -lys-, -lysis, -lytic, -lyt-, -lyz-

1. The decomposition of a substance into simpler units as a result of its absorbing light; such as, the separation of hydrogen from hydrogen sulfide in water.
2, Any process in which radiant energy produces a chemical change.

1. A method of obtaining a detailed account of past and present mental and emotional experiences and repressions in order to determine the source and to eliminate or diminish any of the undesirable effects of unconscious conflicts by making patients aware of their existence, origin, and inappropriate expression in emotions and behavior. It is largely a system created by Sigmund Freud that was originally an outgrowth of his observations of neurotics.
2. Psychoanalysis is based on the theory that abnorml phenomena are caused by repression of painful or undesirable past experiences that, although totally forgotten, later manifest themselves in various abnormal ways.
3. In addition to the Freudian method, other schools of thought used in psychoanalysis include: analytical psychology (Jung), psychobiology (Meyer), and individual psychology (Adler).
4. An integrated body of observations and theories on personality development, motivation, and behavior.

1. One who practices psychoanalysis.
2. A psychotherapist, usually a psychiatrist or clinical psychologist, trained in psychoanalysis and employing its methods in the treatment of emotional disorders.
3. Usually, the psychoanalyst has had specific training in and has met the curriculum, practice, and supervisory criteria of a recognized training center for psychoanalysis before he or she can assume the title of psychoanalyst.