什么是远离平均值的“std偏差数”的正确术语

I've computed the mean & variance of a set of values, and I want to pass along the value that represents the # of std deviations away from mean for each number in the set. Is there a better term for this, or should I just call it num_of_std_devs_from_mean ...I've computed the mean & variance of a set of v