V2EX propellant

Propellant

Definition / 释义

(尤指火箭、喷气发动机中的)推进剂;能燃烧或在压力下迅速膨胀,用来产生推力把物体(如弹丸、火箭)向前推的物质。常见形式有固体、液体或气体推进剂。(在喷雾罐中也可指“喷射剂/抛射剂”,用于把内容物推出。)

Examples / 例句

The rocket uses liquid propellant.
这枚火箭使用液体推进剂。

Because the propellant is highly reactive, it must be stored and handled under strict safety procedures.
由于这种推进剂反应性很强,必须在严格的安全流程下储存和操作。

Pronunciation / 发音

/ prplnt /

Etymology / 词源

来自拉丁语词根 **pell-**(“推、驱赶”,见 expel 等词的同源词),经由英语动词 propel(推进)形成名词 propellant,字面意思是“用来推进的东西”。在航天与军工语境中逐渐固定为“推进剂”。

Related Words / 相关词

Literary Works / 文学作品举例

  • Jules Verne《From the Earth to the Moon》(《从地球到月球》):涉及发射与推进原理的讨论(常以“推进火药/推进剂”等概念出现)。
  • Andy Weir《The Martian》(《火星救援》):多处谈到推进系统与燃料/推进剂的使用与计算。
  • Robert A. Heinlein《Rocket Ship Galileo》(《伽利略号火箭飞船》):围绕火箭飞行与推进技术的描写中会出现相关术语。
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