Waals

n. Johannes Diderik van der Waals (1837-1923), Dutch physicist, winner of the 1910 Nobel Prize in Physics; family name

n. Waals, family name; Johannes Diderik van der Waals (1837-1923), Dutch physicist, winner of the 1910 Nobel Prize in Physics

adj. Walloon, of or related to Walloons, of or related to French-speaking inhabitants of Belgium

n. Walloon, resident of the southern part of Belgium and France; Waal, large river in western Europe (runs through the Netherlands)