broad-spectrum

[ brawd-spek-truhm ]
/ ˈbrɔdˈspɛk trəm /

adjective

noting an antibiotic, insecticide, or other chemical effective against a wide range of organisms.
noting a sunscreen effective in absorbing or blocking ultraviolet (UVA and UVB) radiation.
having a wide range of uses:The questionnaire is a broad-spectrum tool for diagnosing depression and anxiety.

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Origin of broad-spectrum

First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for broad-spectrum

British Dictionary definitions for broad-spectrum

broad-spectrum

noun

(modifier) effective against a wide variety of diseases or microorganismsa broad-spectrum antibiotic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for broad-spectrum

broad-spectrum

adj.

Effective against a wide range of organisms, especially gram-positive and gram-negative bacteria.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.