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mass ratio

the ratio of the mass of a fully-fuelled rocket at liftoff to the mass of the rocket without fuel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Historical Examples
  • The mass ratio necessary to inject the Aztec into its moon trajectory had precluded fuel beyond the absolute minimum needed.

    First on the Moon Jeff Sutton

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