Epstein-Barr virus (EBV), also known as human herpesvirus 4, is a member of the herpes virus family. It is one of the most common human viruses. EBV is found all over the world.Most people get infected with EBV at some point in their lives.pstein-Barr virus (EBV), also known as human herpesvirus 4, is a member of the herpes virus family. It is one of the most common human viruses. EBV is found all over the world.
10 hilariously insightful foreign words. A leaf spring is a simple type of suspension spring commonly used in vehicles. This type of spring is typically constructed of one or more flat, thin, flexible steel strips that are joined together in order to work as a single unit.
Wiktionary (0.00 / 0 votes) Rate this definition: leaf (Noun). The usually green and flat organ that represents the most prominent feature of most vegetative plants. leaf (Noun). Anything resembling the leaf of a plant.leaf (Noun). A sheet of any substance beaten or rolled until very thin. gold leaf. leaf (Noun).eaf (noun). something which is like a leaf in being wide and thin and having a flat surface, or in being attached to a larger body by one edge or end; as : (a) A part of a book or folded sheet containing two pages upon its opposite sides.