nar·​row-spec·​trum ˈnar-(ˌ)ō-ˈspek-trəm, ˈnar-ə- How to pronounce narrow-spectrum (audio)
: effective against only a limited range of organisms
narrow-spectrum antibiotics effective only against gram-negative bacteria
compare broad-spectrum

Dictionary Entries Near narrow-spectrum

Cite this Entry

“Narrow-spectrum.” Medical Dictionary, Merriam-Webster, Accessed 2 Feb. 2023.

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