antithetic

From Latin antitheticus.

antithetic (comparative more antithetic, superlative most antithetic)

1. diametrically opposed
2. antithetical

antithetic (plural antithetics)

1. (statistics) Short for antithetic variate.
   • 2017, P. W. A. Lewis, Ed McKenzie, Simulation Methodology for Statisticians, Operations Analysts, and Engineers:

     Unlike antithetics, a control variable can be used for any attribute of the random variable Y that is being simulated […]