DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)

Found one definition

  1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                    

    Hertzsprung-Russell diagram /hˈɜːtsspɹʌŋ ɹˈʌsəl dˈaɪəɡɹˌam/ (HRD /ˌeɪtʃˌɑːdˈiː/) Hertzsprung-Russell-Diagramm <neut> [phys.] [astron.] HRD, /ˌeɪtʃˌɑːdˈiː/