Pivotal point (4)
'pivotal point' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for axis that I've seen before include "Line about which to rotate" , "Bloc" , "line to be turned round" , "Line around which something rotates" , "Straight line" .)
'pivotal point' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for fulcrum that I've seen before include "Pivotal point" , "prop" , "Pivot on which a lever moves" , "place to get a purchase!" , "The point on which a lever turns" .)