hisū
1. not a number; NaN
Noun
1. not a number; NaN
1. It is not a number.; It's not counted.
1. It is not a number.; It is uncountable.
1. Non-numeric; Not a number
1. Was not a number.; Was not numerical.
1. Probably not a number.; Likely irrational.
1. Was not a number.; Was not numerical.
1. Was not counted.; Was not numbered.
1. If not a number; When not a number
1. It's not a number.; It isn't numerical.