The average cost of building an extension in the UK is Â£27,000 for a single-storey rear extension measuring 20 square metres in ground floor area. A 20 square metre two-storey rear extension would usually cost in the region of Â£43,000.
Definition of VITAMIN C. : a water-soluble vitamin C6H8O6 found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods âcalled also ascorbic acid.See vitamin C defined for kids.ADVERTISEMENT. a water-soluble vitamin C6H8O6 found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods âcalled also ascorbic acid. See vitamin C defined for kids. ADVERTISEMENT.
Vitamins are organic substances that usually are separated into water-soluble (such as B vitamins and vitamin C), and fat-soluble vitamins (such as vitamins A, D, E, K). Vitamins are necessary for normal health and growth in higher forms of animal and human life.he Scottish naval surgeon James Lindin observed in 1747 that a nutrient in citrus foods, now known to be Vitamin C, prevented scurvy. Vitamin C was rediscovered by Norwegians, A. Hoist and T. Froelich in 1912. Vitamin C was the first vitamin to be artificially synthesized in 1935.