乙种 Traditional form: 乙種 Pinyin (reading): yǐzhǒng Definitions: type B; category B; second class or grade; beta- Characters: 乙 - second; 2nd heavenly stem 种 - race, kind, breed; seed; to plant Traditional characters: 乙 - second; 2nd heavenly stem 種 - race, kind, breed; seed; to plant