loop-line
- n a railway branch line that branches from the trunk line and then rejoins it later on
loop-the-loop
- n a flight maneuver; aircraft flies a complete circle in the vertical plane
loop gain
- n (telecommunication) the gain of a feedback amplifier or system as a function of how much output is fed back to the input
loop knot
- n any of various knots used to make a fixed loop in a rope
loop topology
- n the topology of a network whose components are serially connected in such a way that the last component is connected to the first component