Trendy Ombre Manicure

The common meaning for Ombre Nails in nail art is shading from nail to nail with five nail polishes which are applied each on one full nail. The five nail polishes have to be in the same color family though. A classic Ombre Manicure would be for example from black over three shades of gray to white.

Easy tutorial: http://www.glamour.com/beauty/blogs/girls-in-the-beauty-department/2012/05/gradient-nails-picture-tutoria.html