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 (dĭ-rĕk′shə-nəl, dī-)
1. Of or indicating direction: an automobile's directional lights.
2. Electronics Capable of receiving or sending signals in one direction only.
3. Relating to guidance in effort, behavior, or thought: directional training.
A directional signal.

di·rec′tion·al′i·ty (-shə-năl′ĭ-tē) n.


(dɪˈrɛkʃənəl; daɪ-)
1. of or relating to a spatial direction
2. (Electronics) electronics
a. having or relating to an increased sensitivity to radio waves, sound waves, nuclear particles, etc, coming from a particular direction
b. (of an aerial) transmitting or receiving radio waves more effectively in some directions than in others
3. (General Physics) physics electronics
a. concentrated in, following, or producing motion in a particular direction
b. indicating direction
4. (Clothing & Fashion) indicating the direction something, such as a fashion trend, might take: directional fashion looks.
5. indicating the direction something, such as a fashion trend, might take: directional fashion looks.
diˌrectionˈality n


(dɪˈrɛk ʃə nl, daɪ-)

1. of, pertaining to, or indicating direction.
2. adapted for determining the direction of signals received, or for transmitting signals in a given direction: a directional antenna.
3. of, pertaining to, or providing guidance or leadership.
di•rec`tion•al′i•ty, n.
di•rec′tion•al•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.directional - relating to or indicating directions in space; "a directional microphone"
omnidirectional - not directional; "omnidirectional antenna"
2.directional - relating to direction toward a (nonspatial) goal; "he tried to explain the directional trends of modern science"
3.directional - showing the way by conducting or leading; imposing direction on; "felt his mother's directing arm around him"; "the directional role of science on industrial progress"
leading - going or proceeding or going in advance; showing the way; "we rode in the leading car"; "the leading edge of technology"
تَوجيهي، إتِّجاهي
yöne aityönsel


[dɪˈrekʃənl] ADJdireccional
directional aerialantena f dirigida
directional light (Aut) → intermitente m


adjRichtungs-; directional stabilityRichtungsstabilität f


directional antenna
nRichtantenne f
directional microphone
nRichtmikrofon nt
directional radio
nRichtfunk m, → Peilfunk m


[dɪˈrɛkʃənl] adjdirezionale


(diˈrekt) adjective
1. straight; following the quickest and shortest way. Is this the most direct route?
2. (of manner etc) straightforward and honest. a direct answer.
3. occurring as an immediate result. His dismissal was a direct result of his rudeness to the manager.
4. exact; complete. Her opinions are the direct opposite of his.
5. in an unbroken line of descent from father to son etc. He is a direct descendant of Napoleon.
1. to point, aim or turn in a particular direction. He directed my attention towards the notice.
2. to show the way to. She directed him to the station.
3. to order or instruct. We will do as you direct.
4. to control or organize. A policeman was directing the traffic; to direct a film.
diˈrection (-ʃən) noun
1. (the) place or point to which one moves, looks etc. What direction did he go in?; They were heading in my direction (= towards me); I'll find my way all right – I've a good sense of direction.
2. guidance. They are under your direction.
3. (in plural) instructions (eg on how to get somewhere, use something etc). We asked the policeman for directions; I have lost the directions for this washing-machine.
4. the act of aiming or turning (something or someone) towards a certain point.
diˈrectional adjective
diˈrective (-tiv) noun
a general instruction from a higher authority about what is to be done etc.
diˈrectly adverb
1. in a direct manner. I went directly to the office.
2. almost at once. He will be here directly.
diˈrectness noun
diˈrector noun
a person or thing that directs, eg one of a group of persons who manage the affairs of a business or a person who is in charge of the making of a film, play etc. He is on the board of directors of our firm; The producer and the director quarrelled about the film.
diˈrectoryplural diˈrectories noun
a type of book giving names and addresses etc. a telephone directory.
References in periodicals archive ?
[USPRwire, Tue Aug 27 2019] Global Directional Control Valves Market: Overview Directional control valves rely upon the systems of machinery, hydraulic circuits and pneumatic systems.
[ClickPress, Tue Aug 27 2019] Global Directional Control Valves Market: Overview Directional control valves rely upon the systems of machinery, hydraulic circuits and pneumatic systems.
N 19c027ao - pt-hz - supply, installation, maintenance and upkeep of directional and directional signaling equipment - years 2019 to 2022 reference number: 19c027ao
The Public Works Authority, Ashghal, launched on Monday the Directional Sign Strategy which aims to standardise the road signs across the country by making them easy to follow and read.
Directional jammers are used against unmanned aerial vehicles or drones by disrupting radio control frequencies.
value, directional basis /2/ 5,390,081 5,587,969 5,390,081
QES operates in the US onshore oilfield services industry through its subsidiaries, directional drilling company and consolidated oil well services the directional drilling and completion services business units of QES, respectively.
13 August 2014 - US directional drill specialist Laney Directional Drilling Co has announced that it had been acquired by an affiliate of private equity firms Maxim Partners LLC and Falcon Investment Advisors LLC for an undisclosed sum.
"The new offices provide additional space to accommodate the growth of Laney Directional Drilling over the past year with the addition of engineers and CAD operators," said Grady Bell, Laney vice president/ business development.
Based on the previous introduction, in this work the concept of directional cyclostationarity of complex-valued signal is defined and used to investigate the vibration of a journal bearing supported rotor system which is influenced by oil film instability.
The analysis of directional antennas for CR can be carried out through measurements, modelling, and/or emulation.

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