I came across this phrase in a sentence : XXX is a tool that provides YYY by instrumenting the engine. What exactly does instrumenting something means?

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    Which dictionaries have you checked in? – Edwin Ashworth Sep 10 '15 at 21:41
  • I voted to close this question as general reference; I might change my mind if OP demonstrates he has checked a dictionary and goes on to explain what confusion remains. – Dan Bron Sep 10 '15 at 21:44
  • @DanBron I do not own a dictionary. – mkc Sep 10 '15 at 21:45
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    @Ketan Well there's your problem right there. But no worries, it's easily remedied: would it surprise you to learn there are dictionaries available, for free, on the internet? Or that if you were literally to google "define word" Google would supply the dictionary definition of the word without even having to click a single link? – Dan Bron Sep 10 '15 at 21:48
  • You would seem to have internet access. Most online dictionaries (see the Help Center here for recommended ones) are far better than the dictionaries I own. – Edwin Ashworth Sep 10 '15 at 21:49

"instrumenting" is not an accepted word. It is jargon used in the engineering field. What is meant is that instruments are "installed" on the engine (this could mean physically or perhaps electronically). Instruments in this case means devices that allow you to determine various conditions necessary for control of the engine. This may include a tachometer, engine temperature gauge, water level, etc.

It seems to me the phrase you posted is not the best way make the concept clear. I would not expect the term "instrumenting" to be used often.

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    Who is it that doesn't "accept" the word? Not only does "instrumenting" get about 400K hits in the google, it's sister participle "instrumented" gets over 3M. The past participle has been in print for almost 60 years. BTW, I'm not the downvoter. – deadrat Sep 10 '15 at 22:38
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    I'm one of the downvoters. Because the answer is wrong about "instrumenting" not being an accepted word. – DJClayworth Sep 10 '15 at 23:32
  • Merriam-Webser defines "instrument" as a verb, and the third verb definition listed is the one that applies in this case. – Hot Licks Sep 10 '15 at 23:50

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