Definition of retro-fire in English:

retro-fire

noun ˈrɛtrəʊfʌɪə

Science Fiction Astronautics

The part of a space mission in which the retro-rockets of a spacecraft are fired; the firing itself.

verb ˈrɛtrəʊfʌɪə

Astronautics

1with object To fire backwards; especially to fire (a rocket engine) in a direction which provides a spacecraft with reverse thrust and so slows any forward motion; to give (a spacecraft, missile, etc.) reverse thrust by firing a retro-rocket.
2no object To fire the retro-rockets of a spacecraft.

Origin

1950s; earliest use found in Journal of the Franklin Institute. From retro- + fire
1960s. From retro- + fire. Compare slightly earlier retro-fire and retro-firing.

Definition of retro-fire in US English:

retro-fire

nounˈrɛtrəʊfʌɪə

Science Fiction Astronautics

The part of a space mission in which the retro-rockets of a spacecraft are fired; the firing itself.

verbˈrɛtrəʊfʌɪə

Astronautics

1with object To fire backwards; especially to fire (a rocket engine) in a direction which provides a spacecraft with reverse thrust and so slows any forward motion; to give (a spacecraft, missile, etc.) reverse thrust by firing a retro-rocket.
2no object To fire the retro-rockets of a spacecraft.

Origin

1950s; earliest use found in Journal of the Franklin Institute. From retro- + fire<br>1960s. From retro- + fire. Compare slightly earlier retro-fire and retro-firing.

单词	retro-fire
释义	Definition of retro-fire in English: retro-fire noun ˈrɛtrəʊfʌɪə Science Fiction Astronautics The part of a space mission in which the retro-rockets of a spacecraft are fired; the firing itself. verb ˈrɛtrəʊfʌɪə Astronautics 1with object To fire backwards; especially to fire (a rocket engine) in a direction which provides a spacecraft with reverse thrust and so slows any forward motion; to give (a spacecraft, missile, etc.) reverse thrust by firing a retro-rocket. 2no object To fire the retro-rockets of a spacecraft. Origin 1950s; earliest use found in Journal of the Franklin Institute. From retro- + fire 1960s. From retro- + fire. Compare slightly earlier retro-fire and retro-firing. Definition of retro-fire in US English: retro-fire nounˈrɛtrəʊfʌɪə Science Fiction Astronautics The part of a space mission in which the retro-rockets of a spacecraft are fired; the firing itself. verbˈrɛtrəʊfʌɪə Astronautics 1with object To fire backwards; especially to fire (a rocket engine) in a direction which provides a spacecraft with reverse thrust and so slows any forward motion; to give (a spacecraft, missile, etc.) reverse thrust by firing a retro-rocket. 2no object To fire the retro-rockets of a spacecraft. Origin 1950s; earliest use found in Journal of the Franklin Institute. From retro- + fire<br>1960s. From retro- + fire. Compare slightly earlier retro-fire and retro-firing.
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