noun🔗ShareA white crystalline organic compound, C6H8O6, found in citrus fruits and many vegetables; it is an antioxidant and an efficient scavenger of free radicals."To boost my immune system during cold season, I take a daily supplement of ascorbic acid, also known as Vitamin C. "medicinecompoundsubstancefruitvegetablechemistrybiochemistryfoodscienceChat with AIVocabulary GamePractice Reading