numen: a spirit believed to inhabit an object or preside over a place (especially in ancient Roman religion)
spirit: any incorporeal supernatural being that can become visible (or audible) to human beings
floating-point notation: a radix numeration system in which the location of the decimal point is indicated by an exponent of the radix; in the floating-point representation system, 0.0012 is represented as 0.12-2 where -2 is the exponent