Meanings
nounspecific impulse (plural specific impulses)
plural specific impulses
- The ratio of the thrust produced by a rocket or other jet engine to the rate of use of propellant.
Synonyms: Isp
Synonyms & antonyms
nounThe ratio of the thrust produced by a rocket or other jet engine to the rate of use of propellant.
Similar
Translations
Chinese Mandarin 比衝 /比冲
- 比衝 /比冲 (bǐchōng)ratio of thrust
Finnish ominaisimpulssi
- ominaisimpulssiratio of thrust
Cite this entry
APA
specific impulse. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/specific%20impulse
MLA
“specific impulse.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/specific%20impulse. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “specific impulse,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/specific%20impulse.
Source: specific impulse on Wiktionary, CC BY-SA 4.0.