Instrument meaning

ĭnstrə-mənt
The definition of an instrument is a tool for doing work, particularly for scientific or artistic purposes.

An example of an instrument is a drum.

An example of an instrument is a thermometer.

noun
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One used by another to accomplish a purpose; a dupe.
noun
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To perform upon an instrument; to prepare for an instrument.

A sonata instrumented for orchestra.

verb
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A legal document, especially one that represents a right of payment or conveys an interest, such as a check, promissory note, deed, or will.
noun
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(music) A device for playing or producing music.

A keyboard instrument.

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A means by which something is done; an agency.
noun
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To provide or equip with instruments.
verb
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Any of various devices for indicating or measuring conditions, performance, position, direction, etc. or, sometimes, for controlling operations, as in an aircraft.
noun
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Any of various devices designed or used to produce musical sound, as a piano, drum, violin, oboe, etc.
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(finance) A written order or promise to pay a sum of money.

A negotiable instrument.

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To devise, conceive, cook up, plan.
verb
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A tool or implement used to do or facilitate work, especially a small precision tool used by a professional.

Sterilized the scalpel and other surgical instruments.

noun
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A device for recording, measuring, or controlling, especially such a device functioning as part of a control system.
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(music) To compose or arrange for performance.
verb
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A tool or implement, esp. one used for delicate work or for scientific or artistic purposes.
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(law) A formal document, as a deed, contract, etc.
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Of or having to do with instrument flying.
adjective
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(music) To arrange (a composition) for instruments; orchestrate.
verb
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A written legal document defining the parties’ rights and liabilities to one another.
noun
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Under the Uniform Commercial Code, a writing that reflects an unconditional promise to pay, such as a check or note, but does not also include security for the payment.
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A device used to produce music.

The violinist was a master of her instrument.

noun
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A means or agency for achieving an effect.
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A measuring or displaying device.

The instrument detected an increase in radioactivity.

noun
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A tool, implement used for manipulation or measurement.

The dentist set down his tray of instruments. The scientist recorded the temperature with a thermometer but wished he had a more accurate instrument."

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(law) A legal document, such as a contract, deed, trust, mortgage, power, indenture, or will.

A bond indenture is the instrument that gives a bond its value.

Negotiable instruments are the foundation of the debt markets.

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To apply measuring devices.
verb
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To provide with instruments.
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(figuratively) A person used as a mere tool for achieving a goal.
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Origin of instrument

  • Middle English from Old French from Latin īnstrūmentum tool, implement from īnstruere to prepare instruct

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old French instrument, from Latin īnstrūmentum (“an implement, tool”). suffix -mentum.

    From Wiktionary