Definition of instrumentarium in US English:

instrumentarium

noun

  • A collection or group of instruments.

Origin

Late 19th century; earliest use found in Davenport (Iowa) Tribune. From instrument + -arium, originally after German Instrumentarium collection or group of (in early use, surgical) instruments, itself after post-classical Latin instrumentarium treatise describing and depicting surgical instruments.

Pronunciation

instrumentarium

/ˌɪnstrʊm(ə)nˈtɛːrɪəm/