IPA: //ɡlaɪˈkɒlɪk//
KK: /glaɪˈkɒlɪk/
Relating to a type of acid that is used in various skin care products and chemical processes.
Glycolic acid is often used in facial peels to improve skin texture.
Glycolic is derived from "glycol" (from Greek "glykys", meaning sweet) and the suffix "-ic" (meaning pertaining to). The word refers to a substance that is related to or derived from glycol, which is a sweet-tasting compound.
Think of 'glycol' meaning sweet, and remember that 'glycolic' pertains to something related to that sweet compound.