| 单词 | propellant |
| 释义 | propellant /preuh pel"euhnt/, n. 1. a propelling agent. 2. the charge of explosive used to propel the projectile from a gun. 3. a substance, usually a mixture of fuel and oxidizer, for propelling a rocket. 4. a compressed inert gas that serves to dispense the contents of an aerosol container when the pressure is released. [1915-20; PROPEL + -ANT] |
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