hy·dro·qui·none (hī'drō-kwĭ-nōn', -kwĭn'ōn') n. A white crystalline compound, C6H4(OH)2, used as a photographic developer, an antioxidant, a stabilizer, and a reagent.
Main Entry: hy·dro·qui·none Pronunciation: -kwin-'On, -'kwin-"On Function: noun : a bleaching agentC6H6O2 used topically to remove pigmentation from hyperpigmented areas of skin (as a lentigo or freckle)
hydroquinone hy·dro·qui·none (hī'drō-kwĭ-nōn', -kwĭn'ōn') n. A white crystalline compound used as an antioxidant, a stabilizer, and a reagent. Also called hydroquinol.