Daylight Saving Time: While Most Americans Will Spring Forward, Residents Of Arizona And Hawaii Donât Have To Adjust Their Clocks. Most Americans adjust their clocks for Daylight Saving Time (DST) once in the spring and once in the fall -- but residents of two states, Hawaii and Arizona, have chosen not to observe it. This clocks stands in a city park in Glendale, Arizona. Photo: Wikimedia Commons
syndrome. n. 1. (Medicine) med any combination of signs and symptoms that are indicative of a particular disease or disorder. 2. a symptom, characteristic, or set of symptoms or characteristics indicating the existence of a condition, problem, etc.ynâ¢drome. 1. a group of symptoms that together are characteristic of a specific disorder, disease, or the like. 2. a predictable, characteristic condition or pattern of behavior that tends to occur under certain circumstances: the empty nest syndrome. syndromá¸ concurrence, combination = syn-syn - + -dromÄ running].
Definition of Rett syndrome. Rett syndrome: An X-linked dominant neurological disorder that affects girls only and is one of the most common causes of mental retardation in females.irls with the syndrome show normal development during the first 6-18 months of life followed first by a period of stagnation and then by rapid regression in motor and language skills. The hallmark of Rett syndrome is the loss of purposeful hand use and its replacement with stereotyped hand-wringing.