释义 |
nor·di·hy·dro·guai·a·ret·ic acid \|nȯ(r)ˌdī|hīdrō|g(w)īə|red.ik-\ noun Etymology: nordihydroguaiaretic from nor- + dihydr- + guaiaretic (in guaiaretic acid C20H24O4) (International Scientific Vocabulary guaia- — from New Latin Guaiacum — + ret- — from Greek rhētinē resin — + -ic) : a crystalline derivative [(HO)2C6H3CH2CH(CH3)−]2 of pyrocatechol obtained especially from the creosote bush or made synthetically and used in trace amounts as an antioxidant to prevent rancidity of lard and other fats or oils — abbr. NDGA |