SPECTROHELIOGRAPH
Meaning of SPECTROHELIOGRAPH in English
[ ˌspɛktrə(ʊ)'hi:lɪəgrα:f ]
■ noun an instrument for photographing or recording the sun's image using light of particular wavelengths.
Concise Oxford English vocab.
Сжатый оксфордский словарь английского языка.
2004