noun plural but singular or plural in construction
: a virus disease of potatoes characterized by rolling and yellowish discoloration of the leaflets and transmitted by the potato psyllid
noun plural but singular or plural in construction
: a virus disease of potatoes characterized by rolling and yellowish discoloration of the leaflets and transmitted by the potato psyllid
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012