Zillion
A generic word for a very Large Number. The term has no well-defined mathematical meaning. Conway and Guy (1996) define the 
th zillionas 
in the American system (
, 
, 
, ...) and 
in the British system (, 
, 
, ...). Conway and Guy (1996) also define the words n-plex and n-minex for 
and 
, respectively.
References
Conway, J. H. and Guy, R. K. The Book of Numbers. New York: Springer-Verlag, pp. 13-16, 1996.
- Plane Geometry
- Plane Partition
- Plane Symmetry Groups
- Planted Planar Tree
- Plastic Constant
- Plat
- Plateau Curves
- Plateau's Laws
- Plateau's Problem
- Platonic Solid
- Plato's Number
- Platykurtic
- p-Layer
- Playfair's Axiom
- Plethysm
- Plot
- Plouffe's Constant
- Plumbing
- Pluperfect Number
- Plurisubharmonic Function
- Plus
- Plus or Minus
- Plus Perfect Number
- Plus Sign
- Plutarch Numbers