transcription, транскрипция: [ ˌyü-ni-də-ˈrek-shnəl, -dī-, -shə-n ə l ]
adjective
Date: 1883
1. : involving, functioning, moving, or responsive in a single direction
a unidirectional microphone
2. : not subject to change or reversal of direction
• uni·di·rec·tion·al·ly adverb