julienne Vegetables, potatoes, or other items cut into thin strips; 1/8 inch by 1/8 inch by 1 to 2 inches/3 mm by 3 mm by 25 to 50 mm is standard. Fine julienne is 1/16 inch by 1/16 a inch by 1 to 2 inches/ 1.5 mm by 25 to 50 mm.