a.1.(Mach.) Designating, or pert. to, a gear for reducing or increasing a velocity ratio two to one.
References in periodicals archive ?
Amendment 17 was defeated despite its supporters outspending the defenders of church-state separation and public education by a two-to-one margin, and despite the fact that Republicans in Colorado won big the same day.
Colorado voters defeated a tuition voucher proposal in 1992 by a two-to-one margin.