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 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 In addition to broad-spectrum SPF 30 protection, the formula contains hydrating ingredients like ceramides, niacinamide, and hyaluronic acid to help moisturize the skin barrier. Glamour, 29 Mar. 2024 Thou shall use broad-spectrum SPF 30 protection every day. Audrey Noble, Vogue, 9 Mar. 2024 In addition to adding hydration and color, this moisturizer also protects your skin from broad-spectrum UVA and UVB rays with SPF 20. Addie Morton, Southern Living, 4 Mar. 2024 In addition, the use of broad-spectrum pesticides as a systemic applied to the soil or sprayed on plants often sets up gardeners for heavy infestations of spider mites. Rita Perwich, San Diego Union-Tribune, 2 Mar. 2024 Reach for sunscreens that offer broad-spectrum coverage with an SPF of 30 or higher. Alyssa Hui, Health, 29 Feb. 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 16 Apr. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!