directional

- 2 dictionary results

di⋅rec⋅tion⋅al

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

–adjective

1.	of, pertaining 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, pertaining to, or providing guidance or leadership.

Origin:
1605–15; direction + -al ¹

Related forms:

di⋅rec⋅tion⋅al⋅i⋅ty, noun

di⋅rec⋅tion⋅al⋅ly, adverb

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source

di·rec·tion·al (dĭ-rěk'shə-nəl, dī-)

adj.

Of or indicating direction: an automobile's directional lights.
Electronics Capable of receiving or sending signals in one direction only.
Relating to guidance in effort, behavior, or thought: directional training.
Serving to point the future direction, as of fashion: "A directional group of sweater knit colors are winter pastels" (Women's Wear Daily).

n. A directional signal.
di·rec'tion·al'i·ty (-shə-nāl'ĭ-tē) n.

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