instrumental : Idioms & Phrases
instrumental conditioning
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noun operant conditioning that pairs a response with a reinforcement in discrete trials; reinforcement occurs only after the response is given
WordNet
Instrumental errors
- those errors in instrumental measurements, etc., which arise, exclusively from want of mathematical accuracy in an instrument.
Webster 1913
instrumental music
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noun music intended to be performed by a musical instrument or group of instruments
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noun music produced by playing a musical instrument
WordNet
instrumental role
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noun the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process
instrument.
