Submitted by György Chityil ... on Fri, 01/19/2018 - 20:21 Hierarchy: NounDescription: {{star}} A classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.Ngram: spectral classNgram Text: spectral classSource: WiktionaryIssue: 0Wiktionary tag: starNgram Count: 2