An instrument is a concrete or abstract tool intended for a purpose other than mechanical work, in particular a refined one.

• Musical instruments are devices designed to produce music, frequently by plucking or striking a string or bell or drum surface, or by forcing air to resonate (see wind instrument).
• Scientific instruments are devices intended to assist in the conduct of science. An example would be the test tubes and other glassware one might find in a chemistry or biology laboratory.
• Measuring instruments are devices used to measure or compare the magnitude of physical properties, such as voltmeters, speedometers, etc.
• Analytical instruments are devices used to measure multiple or complex material properties, such as mass spectrometers.
• Medical instruments are devices for the diagnosis and treatment of diseases, such as stethoscopes.
• Instruments of torture is a term for the means whereby some act of torture is accomplished.
• Legal instruments are documents used to formally document various types of transactions or confirm certain statuses for specific purposes, such as confirming contractual relations, civil status, etc. Examples include wills, writs, court order, contracts, treaties, marriage licenses and driver's licenses.
• Financial instruments are documents used to formally document various types of financial transactions. Examples include loan agreements, bonds, mortgages, stocks and floating charges.
• Negotiable instruments are a class of documents evidencing promises or orders to pay a certain sum of money.
• In statistics, an instrument is an instrumental variable.
• A statutory instrument refers to a regulation or other secondary legislation passed pursuant to authority given by primary legislation.

See also

---

• Instrumentation

More on [ Instrument ]

By Instrument - Twitter Search

Indulgences-15th cent spiritual instrument 4 sale by Catholic Church 2excuse sins & lessen afterlife punishments http://tinyurl.com/qggfz CC
NewRep (NewRep) Wed, 30 Dec 2009 17:34:15 -0000
Indulgences-15th cent spiritual instrument 4 sale by Catholic Church 2excuse sins & lessen afterlife punishments http://tinyurl.com/qggfz CC
Dick Cheney, If I didn't know you were simply a coward shaped by a draft dodging past, I would think you an instrument of the D'evil
Roddee (Rod Campbell) Wed, 30 Dec 2009 16:41:26 -0000
Dick Cheney, If I didn't know you were simply a coward shaped by a draft dodging past, I would think you an instrument of the D'evil
Fun animated "Extraordinary Musical Instrument" really cool http://bit.ly/134kut was created by http://bit.ly/91aKql
MosesHawk (Moses Hawk) Wed, 30 Dec 2009 16:12:54 -0000
Fun animated "Extraordinary Musical Instrument" really cool http://bit.ly/134kut was created by http://bit.ly/91aKql
OK so on my list so far is: read 3 books recommended by tweeters, learn a new instrument, be a pig keeper (care of @pigsincloveruk) ...
Sazchik (Sarah Begley) Wed, 30 Dec 2009 15:20:32 -0000
OK so on my list so far is: read 3 books recommended by tweeters, learn a new instrument, be a pig keeper (care of @pigsincloveruk) ...
@inthenow55 It's not that hard, do u play another instrument. cuz now I can do it by sound but that's cuz i played the flute for YEARS
whitelotus01 (Krystal Lugo-Buhs) Wed, 30 Dec 2009 14:31:02 -0000
@inthenow55 It's not that hard, do u play another instrument. cuz now I can do it by sound but that's cuz i played the flute for YEARS
Quote - Simone Weil: Culture is an instrument wielded by professors to manufa... http://76k.com/q/c5tuvf
Darrellmcnish (Darrell McNish) Wed, 30 Dec 2009 13:55:09 -0000
Quote - Simone Weil: Culture is an instrument wielded by professors to manufa... http://76k.com/q/c5tuvf

Subscribe to By_Instrument RSS feed