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ascorbic acid

American  
[uh-skawr-bik as-id] / əˈskɔr bɪk ˈæs ɪd /

noun

Biochemistry.
  1. a white, crystalline, water-soluble vitamin, C 6 H 8 O 6 , occurring naturally in citrus fruits, green vegetables, etc., and often produced synthetically, essential for normal metabolism: used in the prevention and treatment of scurvy, and in wound-healing and tissue repair.


ascorbic acid British  
/ əˈskɔːbɪk /

noun

  1. Also called: vitamin C.  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: C 6 H 8 O 6

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ascorbic acid Scientific  
/ ə-skôrbĭk /
  1. See vitamin C


ascorbic acid Cultural  
  1. A form of vitamin C.


Etymology

Origin of ascorbic acid

First recorded in 1930–35; a- 6 + scorb(ut)ic ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The analysis focused on 17 individual preservatives, including citric acid, lecithins, total sulfites, ascorbic acid, sodium nitrite, potassium sorbate, sodium erythorbate, sodium ascorbate, potassium metabisulfite, and potassium nitrate.

From Science Daily Jan. 27, 2026

Lupin Pharmaceuticals, which manufactures Tydemy, notified customers on Saturday that it was voluntarily recalling two batches of the oral contraceptive — after one lot tested low for ascorbic acid and high “for a known impurity.”

From Seattle Times Aug. 3, 2023

A specific lot labeled L200183 tested high in impurity and low in the inactive ingredient ascorbic acid, commonly called Vitamin C.

From Washington Times Aug. 3, 2023

A: We’ve lost the ability to produce vitamin C, or ascorbic acid, and liking acidic foods might be a way for us and other primate species to be reminded to ingest it.

From Science Magazine Feb. 11, 2022

Scurvy, the depletion of vitamin C, or ascorbic acid, had always been a problem on long voyages and had contributed to Captain Scott’s death en route from the South Pole.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong

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