<programming> A less common synonym for "nullary", presumably following the more common monadic, dyadic, etc. The term was in use as early as 1976, and probably originated in APL.
[APL: An Interactive Approach, 1976].
Try this search on Wikipedia, OneLook, Google
Nearby terms: NIKL « Niklaus Wirth « NIL « niladic » Ninety-Ninety Rule » Nintendo » NIOS