coil
a coil of rope

feedback
feedback coil

mosquito
mosquito coil

pipe
pipe coil

plug-in
plug-in coil

reactance
reactance of coil

regeneration
regeneration coil

shuffle off
to shuffle off this mortal coil

sparking
sparking coil

sun
to coil a rope against the sun

tap
to tap a coil

tapping
a coil with thirteen tappings

tester
coil tester