DuckCorp

DuckCorp Dico

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Found one definition

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

    vertical speed indicator /vˈɜːtɪkəl spˈiːd ˈɪndɪkˌeɪtə/ (VSI /vˌiːˌɛsˈaɪ/) Steiggeschwindigkeitsmesser <masc>, Steig- und Sinkmesser <masc>, Variometer <neut> [aviat.] Synonyms: vertical velocity indicator, rate-of-climb indicator, rate-of-climb-and-descent indicator, variometer