Dehydration: Excessive loss of body water. Diseases of the gastrointestinal tract that cause vomiting or diarrhea may lead to dehydration. There are a number of other causes of dehydration including heat exposure, prolonged vigorous exercise, kidney disease, and medications that cause voiding (diuretics). One clue to dehydration is a rapid drop in weight. A loss of over 10% (15 pounds in a person weighing 150 pounds) is considered severe.
The name Lucas is of Greek origin, and is used in more than one countries and different languages of the world, especially Dutch speaking countries, English speaking countries, French speaking countries, Greek speaking countries, Persian speaking countries, Spanish speaking countries among others.
Luke /ËluËk/ is a male given name, and less commonly, a surname. The name Luke is derived from the Latin name Lucas or from the Greek Loukas, meaning man from Lucania  (a region of Italy).Although the name is attested in ancient inscriptions, the best known historical use of the name is in the New Testament.uke /ËluËk/ is a male given name, and less commonly, a surname. The name Luke is derived from the Latin name Lucas or from the Greek Loukas, meaning man from Lucania  (a region of Italy). Although the name is attested in ancient inscriptions, the best known historical use of the name is in the New Testament.