Etymology
Advertisement

unidirectional (adj.)

1883, from uni- + directional (see direction).

updated on September 11, 2012

Advertisement
Advertisement
Definitions of unidirectional from WordNet

unidirectional (adj.)
operating or moving or allowing movement in one direction only;
a unidirectional flow
a unidirectional approach to a problem
a unidirectional antenna
From wordnet.princeton.edu, not affiliated with etymonline.