Unidirectional

//ˌjuː.nɪ.dɪˈɹɛk.ʃə.nəl/ adj, noun

Definitions

Adjective
  1. 1
    Pertaining to only one direction, e.g.: where all component parts are aligned in the same direction in space. not-comparable

    "[...] a reversible booster was fitted to the trailing bogie; all previous applications on the L.N.E.R. for use in main line traffic had been of unidirectional boosters, […]"

  2. 2
    Not subject to change or reversal of direction. not-comparable
Adjective
  1. 1
    operating or moving or allowing movement in one direction only wordnet
Noun
  1. 1
    A fabric in which the majority of fibers run in the same single direction.

Etymology

Etymology 1

From uni- + directional.

Etymology 2

From uni- + directional.

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