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glycolic acid

American  
Or glycollic acid

noun

  1. a colorless, crystalline, water-soluble powder, C 2 H 4 O 3 , that is a major substrate for photorespiration in plants: used chiefly for textile printing and dyeing and in pesticides.


glycolic acid British  

noun

  1. a colourless crystalline soluble hygroscopic compound found in sugar cane and sugar beet: used in tanning and in the manufacture of pharmaceuticals, pesticides, adhesives, and plasticizers; hydroxyacetic acid. Formula: CH 2 (OH)COOH

"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

glycolic acid Scientific  
/ glī-kŏlĭk /
  1. A colorless crystalline compound that occurs naturally in sugar beets and sugarcane. It is used in leather dyeing and tanning, and in making pharmaceuticals, pesticides, adhesives, and plasticizers. Chemical formula: C 2 H 4 O 3 .


Etymology

Origin of glycolic acid

First recorded in 1850–55

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 tingle of glycolic acid, the pain of extractions, the warm towels heating my skin.

From Los Angeles Times Dec. 9, 2025

If so, he recommended using products with glycolic acid, a gentle chemical exfoliant, to boost skin-cell turnover without drying out your skin.

From Seattle Times Dec. 18, 2023

It is so named because glycolic acid is one of a group of alpha hydroxy acids.

From BBC Jun. 28, 2020

Other ingredients to look for are salicylic acid, glycolic acid, and urea.

From Washington Post Jan. 31, 2020

Chemical exfoliations use fruit enzymes or acids like glycolic acid, derived from sugar, and lactic acid, which is made from milk.

From New York Times Jun. 25, 2018

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