Definition of wide-spectrum in US English:

wide-spectrum

adjective

  • 1Effective against a wide range of organisms, diseases, etc.

  • 2Of, relating to, or producing light or sound that covers a wide range of wavelengths or frequencies.

Origin

1950s; earliest use found in Analysts Journal. From wide + spectrum.

Pronunciation

wide-spectrum

/ˌwʌɪdˈspɛktrəm/