[uni.di.rec.tion.al] adj (1883) 1: involving, functioning, moving, or responsive in a single direction
2: not subject to change or reversal of direction -- uni.di.rec.tion.al.ly adv
[uni.di.rec.tion.al] adj (1883) 1: involving, functioning, moving, or responsive in a single direction
2: not subject to change or reversal of direction -- uni.di.rec.tion.al.ly adv
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012