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.
In American the meaning of the name Lucas is: Light. The name Lucas is a Biblical baby name. In Biblical the meaning of the name Lucas is: Luminous, white. The name Lucas is an English baby name. In English the meaning of the name Lucas is: Form of Luke: light; illumination. The name Lucas is a Greek baby name. In Greek the meaning of the name Lucas is: Light giving. From Lucania (Lucania was a district of ancient Italy). The name Lucas is a Latin baby name. In Latin the meaning of the name Lucas is: Form of Luke 'light; illumination.
The first name is also from the short form of Lucas (Latin), a Latinate of Loukas (Old Greek); the latter means ' man from Lucania' in reference to an ancient district of southern Italy. The first name was borne in the Bible by Luke the Evangelist, companion of Paul and author of the third gospel in the New Testament.uke is a variant (Latin) of the name Lucius (English, German, and French). The name Luke is used to a great extent; it has 36 variants that are used in English and other languages.