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  1. Oxford American Dictionary

    rocketry

    • IPA[ˈräkətrē]

    美式

    • n.
      the branch of science that deals with rockets and rocket propulsion；the use of rockets

    • noun: rocketry

    • 釋義

    名詞

    • 1. the branch of science that deals with rockets and rocket propulsion developments in rocketry
    • ▪ the use of rockets how do you think the Americans got into rocketry?
    • 更多解釋

    rocketry

    • IPA[ˈrɒkɪtri]

    英式

    • n.
      the branch of science that deals with rockets and rocket propulsion: developments in rocketry

    Oxford Dictionary