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directional

   Also found in: Dictionary/thesaurus, Medical, Legal, Acronyms, Wikipedia 0.04 sec.

directional

In one direction. Contrast with omnidirectional.


directional
1. 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
2. Physics Electronics
a. concentrated in, following, or producing motion in a particular direction
b. indicating direction


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Isn't that because gamma-ray bursts from core-collapse supernovas are directional, along the axis of rotation?
TRIANO's innovative enhancements include optimized fitting and sound processing, with improved sound quality and patient satisfaction; more directional options on most models; a new sports program and enhanced settings for music and telephone environments, to enhance patient benefits; patient-friendly on/off battery compartment door operation and an improved program button for patient convenience (TRIANO 3 BTE); and quick and easy demonstration of TRIANO directional microphone system benefits.
Increased efficiency and versatility with standard 180-degree directional blower spout.
 
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