broad-spectrum

adjective

broad-spec·​trum ˈbrȯd-ˈspek-trəm How to pronounce broad-spectrum (audio)
1
: effective against a wide range of organisms (such as insects or bacteria)
a broad-spectrum antibiotic
2
: effective in protecting skin from ultraviolet radiation by absorbing or blocking both UVA and UVB rays
broad-spectrum sunscreens

Examples of broad-spectrum in a Sentence

Recent Examples on the Web Sure, any broad-spectrum sunscreen with an SPF of 30 or higher will guard against sun damage, but some formulas are more basic than others. Brigitt Earley, Glamour, 26 Apr. 2024 Take their vision, for example: Among those species that have been studied, scientists have found evidence of broad-spectrum color vision, sometimes including ultraviolet wavelengths invisible to the human eye. Bill Wasik and Monica Murphy Gabra Zackman Emma Kehlbeck Lance Neal, New York Times, 23 Apr. 2024 Use a broad-spectrum sunscreen with an SPF of 30 or higher. Jenna Demmer, Health, 13 Apr. 2024 Opting for Full-Spectrum or Broad-Spectrum CBD Oils for Maximum Benefits When selecting a CBD oil for diabetes, consider opting for full-spectrum or broad-spectrum oils rather than isolates. Amber Smith, Discover Magazine, 3 Apr. 2024 Spider mites are mites — not insects — and the broad-spectrum pesticide kills all the good insects that would have loved to have eaten the spider mites. Rita Perwich, San Diego Union-Tribune, 2 Mar. 2024 This hand cream, which offers broad-spectrum protection, replenishes moisture with a combination of shea butter and avocado and jojoba oils without leaving a slippery feel. Deanna Pai, Vogue, 3 Apr. 2024 The genius two-in-one product is both your powder compact and sunscreen with its color-correcting, oil-absorbing, and broad-spectrum SPF 50 technology. Alexandra Domrongchai, Travel + Leisure, 29 Mar. 2024 Unlike broad-spectrum advertising, which often casts too wide a net, podcasts enable advertisers to reach a highly specific listener base. Curt Steinhorst, Forbes, 29 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'broad-spectrum.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1950, in the meaning defined at sense 1

Time Traveler
The first known use of broad-spectrum was in 1950

Dictionary Entries Near broad-spectrum

Cite this Entry

“Broad-spectrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/broad-spectrum. Accessed 3 May. 2024.

Medical Definition

broad-spectrum

adjective
1
: effective against a wide range of organisms (as insects or bacteria)
broad-spectrum antibiotics
compare narrow-spectrum
2
: effective in protecting skin from ultraviolet radiation by absorbing or blocking both UVA and UVB rays
broad-spectrum suncreen
Last Updated: - Updated example sentences
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