usefulinstruments
nounUK /ˈjuːsfʊl ˈɪnstrəmənts/
US /ˈjuːsfəl ˈɪnstrəmənts/
Useful instruments are tools that help you do things.
The doctor used useful instruments to check my ears.
OTHER MEANINGS
2. Things used to make music that are helpful for playing songs.
The band packed their useful instruments for the concert.
3. Tools that help scientists measure and test things.
The lab has many useful instruments for experiments.
4. Helpful ways or methods for getting something done.
Kind words are useful instruments for making friends.