ninety
has definitions from the field of mathematics


1 
[ adjective ] being ten more than eighty
Used in print (J. F. Vedder, "Micrometeorites", in Francis S. J...)Ninety per_cent of the 153 recorded impacts occurred between midnight and noon , and from day to day the variation of the rate was as much as an order_of_magnitude . Related terms 
2 
[ noun ] (mathematics) the cardinal number that is the product of ten and nine
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