Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: mass number
Next word: mass spectrograph
Definition of: mass ratio
The ratio of the total mass of a rocket to its mass after the expenditure of fuel, calculated at approximately 2.72 to 1 for a rocket designed to travel at the exhaust velocity of its fuel.
Comment about this word, ask questions, or add new information about this topic: