Akademik

instrument
1. noun /ˈɪnstrʌmənt/
a) A device used to produce music.

The violinist was a master of her instrument.

b) A measuring or displaying device.

The instrument detected an increase in radioactivity.

2. verb /ˈɪnstrʌmənt/
a) To apply measuring devices.
b) To devise, conceive, cook-up, plan.

Wikipedia foundation.