retr - rovi
- retrace
- retract
- retract a spoiler
- retract the landing gear
- retractable float
- retractable landing gear
- retractable landing light
- retractable launcher
- retractable lobe silencer
- retractable slat
- retractable spade silencer
- retractable stop
- retractable tail gear
- retractable tail skid
- retracted flap
- retracting
- retracting a spoiler
- retracting flaps
- retracting spring
- retraction
- retraction actuator
- retraction jack
- retraction test
- retraction/extension assembly
- retraining
- retraining center
- retranslator
- retransmission
- retransmit
- retransmitted
- retransmitting
- retransmitting station
- retread
- retreaded
- retreading
- retrievable losses
- retrieval
- retrieval system
- retrieve
- retrieve equilibrium
