a·scor·bic acid (?-skôr?b?k)n. A water-soluble vitamin, C6H8O6, found in fruits, potatoes, peppers, and leafy green vegetables or produced synthetically. A deficiency of ascorbic acid causes scurvy. Also called vitamin C.[a- + scorb(ut)ic.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.ascorbic acid (??sk??b?k) n (Elements & Compounds) a white crystalline vitamin present in plants, esp citrus fruits, tomatoes, and green vegetables. A deficiency in the diet of man leads to scurvy. Formula: C6H8O6. Also called: vitamin C [C20 ascorbic from a-1 + scorb(ut)ic]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014a?scor?bic ac?id (??sk?r b?k) n. a white, crystalline, water-soluble vitamin, C6H8O6, occurring naturally in citrus fruits, green vegetables, etc., and also produced synthetically, essential for normal metabolism: used in the prevention and treatment of scurvy, and in wound-healing and tissue repair. Also called vitamin C. [1930?35; a-6 + scorb(ut)ic] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.a·scor·bic acid (?-skôr?b?k) See vitamin C.The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.