1. (statistics) any of the 99 numbered points that divide an ordered set of scores into 100 parts each of which contains one-hundredth of the total;

[syn:

WordNet (r) 3.0 (2006):

percentile n 1: (statistics) any of the 99 numbered points that divide an ordered set of scores into 100 parts each of which contains one-hundredth of the total [syn: percentile, centile]