instrument (EN)

noun

noun “instrument”

1. a device used to make music
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   She plays several musical instruments, including the piano and the flute.
2. a tool or implement used for precise work (e.g. surgical)
   The surgeon carefully selected his instruments before starting the operation.
3. a device used for measuring or displaying information
   The laboratory is equipped with sensitive instruments to detect radiation.
4. a means or agency for achieving an effect or purpose
   The internet has become a powerful instrument of communication worldwide.
5. a formal legal document
   They signed the instrument to finalize the sale of the property.
6. (finance) a tradable asset or a legal contract that holds monetary value
   The fund manager traded several instruments on the exchange.
7. a person used by another as a means to achieve something
   He felt like he was an instrument in their political campaign.