Wiktionary
duodecillionth
a. The ordinal form of the number duodecillion n. 1 The person or thing in the duodecillionth position. 2 One of a duodecillion equal parts of a whole.
Usage examples of "duodecillionth".
If Multivac works at its present speed for the remaining lifetime of the sun as a main-sequence star, it will not have gone through a duodecillionth of all the possible structural variations of the genes that might exist, let alone the possible modifications introduced by their order on the chromosomes.