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.
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.