Dictionary

specific impulse

noun

Definition of SPECIFIC IMPULSE

:  the thrust produced per unit rate of consumption of the propellant that is usually expressed in pounds of thrust per pound of propellant used per second and that is a measure of the efficiency of a rocket engine

First Known Use of SPECIFIC IMPULSE

1947

Browse

Next Word in the Dictionary: specific ionizationPrevious Word in the Dictionary: specific humidityAll Words Near: specific impulse
March 27, 2015
quiescent Hear it
Tranquilly at rest or causing no trouble
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears