Binary digit (4)
'binary digit' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for one that I've seen before include "doesn't count for much" , "Single, unitary" , "If upper-class, perhaps I" , "Hour after midnight" , "Half of two" .)
'binary digit' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for zero that I've seen before include "Two minus two" , "Cipher for nothing" , "Nadir" , "Nought, nothing" , "Nowt" .)