MONOCHROMATOR Meaning of MONOCHROMATOR in English [ 'mɒnə(ʊ)krəˌmeɪtə , ˌmɒnə(ʊ)'krɒmɪtə ]■ noun Physics a device used to select radiation of (or very close to) a single wavelength or energy. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004