transitive verb-·fired·, -·fir·ing
to ignite (a retrorocket)
to become ignited: said of a retrorocket
the igniting of a retrorocket
verbret·ro·fired, ret·ro·fir·ing, ret·ro·fires
To ignite or fire (a retrorocket).
To become ignited or fired. Used of a retrorocket.
- Describing rockets that are directed opposite to the direction of motion and used to slow down.
- The space ship needs to turn around so its retrofire rockets slow it down and put it in a lower orbit.