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medical instruments


1. 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.
2. A device for recording, measuring, or controlling, especially such a device functioning as part of a control system.
3. Music A device designed to enable a person to make musical sounds, as by blowing into it, striking it, depressing the keys on a keyboard, or plucking, strumming, or running a bow over strings.
4. A means by which something is done; an agency: "The gods are just, and of our pleasant vices / Make instruments to plague us" (Shakespeare).
5. One used by another to accomplish a purpose; a dupe.
6. A legal document, especially one that represents a right of payment or conveys an interest, such as a check, promissory note, deed, or will.
tr.v. (-mĕnt′) in·stru·ment·ed, in·stru·ment·ing, in·stru·ments
1. To provide or equip with instruments.
2. Music To compose or arrange for performance.

[Middle English, from Old French, from Latin īnstrūmentum, tool, implement, from īnstruere, to prepare; see instruct.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Key words: calibration methods; contact mechanics; depth-sensing indentation; elastic modulus; instrumented indentation; measurement science; nanoindentation; tip shape characterization.
At present, sophisticated information from both instrumented impact and "real-life" testing is mainly used internally by material suppliers and compounders.
will feature its new DAS4WIN Windows software for instrumented impact tests (pendulum and falling weight).
The Resil 50 Pendulum permits use of a full range of instrumented and non-instrumented hammers for Charpy, Izod, and tensile impact tests in accordance with a wide variety of U.S.

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