noun
: mosaic (as of tobacco, potato, and tomato) in which raised pin-shaped corrugated outgrowths appear chiefly on the lower surface of the leaves
noun
: mosaic (as of tobacco, potato, and tomato) in which raised pin-shaped corrugated outgrowths appear chiefly on the lower surface of the leaves
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012