From uni- + direction. <span class="searchmatch">unidirection</span> (uncountable) The property of being unidirectional. 1991, John Jacob Ballenger, Diseases of the Nose, Throat, Ear...
redirection self-direction sense of direction stage direction stereodirection <span class="searchmatch">unidirection</span> wind direction x-direction y-direction z-direction direct indication...
unidexterity unidigitate unidimensional unidimensionality unidirected <span class="searchmatch">unidirection</span> uni-directionality unidirectional unidisciplinary unielectronic uniethnic...