transcription, транскрипция: [ ˌin(t)-strə-ˈmen-t ə l ]
adjective
Date: 14th century
1.
a. : serving as a crucial means, agent, or tool
was instrumental in organizing the strike
b. : of, relating to, or done with an instrument or tool
2. : relating to, composed for, or performed on a musical instrument
3. : of, relating to, or being a grammatical case or form expressing means or agency
4. : of or relating to instrumentalism
5. : operant 3
instrumental learning
instrumental conditioning
• instrumental noun
• in·stru·men·tal·ly -t ə l-ē adverb