retrorocket
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retrorocket
Where it comes from
Etymology tree
Proto-Italic *wre-
Latin re-
Latin retrōder.
English retro-
Old Italian rocchetto
Italian rocchettabor.
English rocket
English retrorocket
From retro- + rocket.
noun retrorockets · retro rocket · retro-rocket
- A small rocket engine on a larger rocket or spacecraft, designed to slow or reverse its motion. At nine minutes and nine seconds after launch, the second stage separates, firing small retrorockets to help it back safely away from the remainder of the spacecraft.
