See Also: centillion(dictionary)

centillion (iou)



centillion noun. rare. L19.
[from CENTI- after million, billion, etc.]
Orig. (esp. in the UK), the hundredth power of a million (10600). Now usu. (orig. US), the 101st power of a thousand (10303). Also loosely, an enormous number.
centillionth noun & adjective M19.