(ˌbæθəˈkrəʊmɪk) adj (General Physics) chem denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compoundˈbathoˌchromenTranslations
bathochromic
bath·o·chro·mic
(bath'ō-krō'mik), Denoting the shift of an absorption spectrum maximum to a longer wavelength. Opposite of hypsochromic. [batho- + G. chrōma, color]