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mass ratio

British  

noun

  1. 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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In addition, the energies of H2+ depend on fundamental constants of physics such as the proton-electron mass ratio.

From Science Daily Feb. 27, 2024

The material also reduced those dye concentrations in the water by 90% and 64%, respectively, in just 30 minutes, when the starting catalyst to dye mass ratio was 1 to 1.

From Science Daily Oct. 10, 2023

Using some theoretical results enabled them to determine the deuteron to proton mass ratio to 4.5 parts per trillion, they report in a paper in press at Physical Review Letters.

From Science Magazine Nov. 30, 2021

For example, there are many compounds other than isooctane that also have a carbon-to-hydrogen mass ratio of 5.33:1.00.

From Textbooks Feb. 14, 2019

My interpretation of the definitions of specific impulse and mass ratio especially seemed to impress him.

From "October Sky" by Homer Hickam

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