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directional

[ dih-rek-shuh-nl, dahy- ]

adjective

  1. of, relating to, or indicating direction in space.
  2. Radio. adapted for determining the direction of signals received, or for transmitting signals in a given direction:

    a directional antenna.

  3. of, relating to, or providing guidance or leadership.


directional

/ daɪ-; dɪˈrɛkʃənəl /

adjective

  1. of or relating to a spatial direction
  2. electronics
    1. having or relating to an increased sensitivity to radio waves, sound waves, nuclear particles, etc, coming from a particular direction
    2. (of an aerial) transmitting or receiving radio waves more effectively in some directions than in others
  3. physics electronics
    1. concentrated in, following, or producing motion in a particular direction
    2. indicating direction
  4. indicating the direction something, such as a fashion trend, might take

    directional fashion looks



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Derived Forms

  • diˌrectionˈality, noun

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Other Words From

  • di·rection·ali·ty noun
  • di·rection·al·ly adverb
  • undi·rection·al adjective

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Word History and Origins

Origin of directional1

First recorded in 1605–15; direction + -al 1

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Example Sentences

Less than 24 hours after the news leaked, all directional jokes have officially been cracked.

In Milan, one of the most directional designers in recent seasons has been Raf Simons of Jil Sander.

I was very determined to make it fashion-forward and directional and relevant.

Clinton, the omni-directional apologizer, declared that America owed no apology to Japan for using the atomic bomb.

Historical destinies are directional, not precisely preordained.

But we can't control the directional and dimensional scope of the warp.

Suddenly Jimmy heard a sharp signal, sounding above the dull buzz of the directional beacon.

Directional Stability is its stability about its vertical axis, and without which it would have no tendency to keep its course.

Such a condition will cause the aeroplane to lose its directional stability and also to fly one wing down.

Lateral Stability is far more difficult for the designer to secure than is longitudinal or directional stability.

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directiondirectional derivative