ロケットエンジン
1. rocket engine; rocket motor
2. Rocket engineA rocket engine, or simply "rocket", is a jet engine that uses only propellant mass for forming its high speed propulsive jet. Rocket engines are reaction engines and obtain thrust in accordance with Newton's third law. Since they need no external material to form their jet, rocket engines can be used for spacecraft propulsion as well as terrestrial uses, such as missiles. Most rocket engines are internal combustion engines, although non-combusting forms also exist.
Read “Rocket engine” on English Wikipedia
Read “ロケットエンジン” on Japanese Wikipedia
Read “Rocket engine” on DBpedia
Read “Rocket engine” on English Wikipedia
Read “ロケットエンジン” on Japanese Wikipedia
Read “Rocket engine” on DBpedia
ロケット・エンジン
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