Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
species barrier
speciesism
specif.
specific
specific absorption rate
specific charge
specific gravity
specific heat
specific impulse
specific language impairment
specific latent heat
specific performance
specific resistance
specific volume
specification
specify
specimen
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

specific impulse
spe·cif·ic im·pulse (plural spe·cif·ic im·pulses)


noun 
Definition:
 
measure of rocket's fuel efficiency: a measure of the fuel efficiency of a rocket, expressed as the number of pounds of thrust produced per pound of propellant used per second
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft