Coil (4)
'coil' is the definition.
(I know that coil can be written as loop)
This is the entire clue.
(Other definitions for loop that I've seen before include "Branch line" , "Shape produced by curve that crosses itself" , "Aircraft manoeuvre; encircle" , "Circular shape of pool" , "Oval shape" .)
'coil' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for twist that I've seen before include "See Oliver" , "Unexpected event" , "Sixties dance; cheat" , "Wring" , "Tobacco - fraud - unexpected development - dance" .)
(Other definitions for tesla that I've seen before include "Physicist" , "Inventive sort" , "Physics unit" , "Nikola ---, electricity pioneer" , "American scientist" .)