Meaning of DIRECTIONAL in English

DIRECTIONAL

transcription, транскрипция: [ -shnəl, -shə-n ə l ]

adjective

Date: 1842

1. : of, relating to, or indicating direction in space:

a. : suitable for detecting the direction from which radio signals come or for sending out radio signals in one direction only

a directional antenna

b. : operating most effectively in a particular direction

a directional microphone

2. : relating to direction or guidance especially of thought or effort

• di·rec·tion·al·i·ty -ˌrek-shə-ˈna-lə-tē noun

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.