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Related to unidirectional: unidirectional antenna


 (yo͞o′nĭ-dĭ-rĕk′shə-nəl, -dī-)
Moving or operating in one direction only: a unidirectional microphone.

u′ni·di·rec′tion·al′i·ty (-năl′ĭ-tē) n.
u′ni·di·rec′tion·al·ly adv.


(ˌjuːnɪdɪˈrɛkʃənəl; -daɪ-)
having, moving in, or operating in only one direction


(ˌyu nɪ dɪˈrɛk ʃə nl, -daɪ-)

operating or moving in one direction only.
u`ni•di•rec′tion•al•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.unidirectional - operating or moving or allowing movement in one direction only; "a unidirectional flow"; "a unidirectional antenna"; "a unidirectional approach to a problem"
bidirectional - reactive or functioning or allowing movement in two usually opposite directions


[ˌjuːnɪdɪˈrekʃənl] ADJunidireccional


[ˌjuːnɪdɪˈrɛkʃənl] adjunidirezionale
References in periodicals archive ?
The contract is for delivery with warranty service unidirectional trams, low-floor, multi-segment with a length of 28-32 W me.
PA deployed Waterfall's Unidirectional Security Gateways at a large power distribution company in the region, following on from high security concerns surrounding the exposure of control system networks to attacks from the Internet and from within the enterprise network, in what's usually addressed as an 'insider threat'.
Tensile and compressive properties for 00 and 900 unidirectional (UD) laminates KRFP and CKRFP such as tensile strength, tensile modulus, compressive strength and compressive modulus were determined based on the standard.
The silicon-on-insulation (SOI) lateral, unidirectional, bipolar-type insulated-gate transistor (lubister) is a pn-junction device that has various operation characteristics including macroscopic minority carrier injection, microscopic carrier recombination, and full quantum-mechanical behavior.
The unidirectional quartz tube heaters are ideal for web processing applications, paint finishing and even suitable for certain clean room type operations.
The CAN describes "data diodes" as network equipment which provides a hardware-enforced "one-way" or unidirectional path for data to flow out of critical networks, while allowing nothing back in to those networks.
The unidirectional knotless barbed suture resulted in faster repair of uterine wall defects as well as less intraoperative blood loss, Dr.
The experimental results indicate a hierarchy in relation to the fiber direction: unidirectional 0[degrees], amorphous, +/- 45[degrees] tissue, unidirectional 45[degrees], unidirectional 90[degrees].
A second nonwoven layer comprises a plurality of two or more types of unidirectional fibers of different composition in a matrix.
The overall metal velocity was reduced to less than 100 cm/second, and the runner was completely full side-to-side and top-to-bottom with unidirectional flow only toward the ingate.
Divided between large freestanding screens--each accompanied by its own unidirectional speaker to minimize the discordant buildup of sound--Sandra of the Tuliphouse comprises five independent twelve-to-twenty-minute video loops that may be watched in any order, in part or (by the more determined visitor) from beginning to end.
The book is sure to provoke controversy, especially Cross's emphasis on a gradual, largely unidirectional process of change.

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