1. unidirectional - Noun
2. unidirectional - Adjective
operating or moving or allowing movement in one direction only
Source: WordNeta unidirectional flow Source: Internet
a unidirectional antenna Source: Internet
a unidirectional approach to a problem Source: Internet
Direct current, as produced by example from a battery and required by most electronic devices, is a unidirectional flow from the positive part of a circuit to the negative. Source: Internet
For example, the Kam language has 9 tones: 3 more-or-less fixed tones (high, mid and low); 4 unidirectional tones (high and low rising, high and low falling); and 2 bidirectional tones (dipping and peaking). Source: Internet
Genes implicated in DNA repair are five times more likely to be regulated by bidirectional promoters than by unidirectional promoters. Source: Internet