bioactive

adjective

bio·​ac·​tive ˌbī-ō-ˈak-tiv How to pronounce bioactive (audio)
: having an effect on a living organism
bioactive molecules
bioactivity noun

Examples of bioactive in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In this case, the team explored scorpion venom for potential bioactive molecules—substances that affect living tissues in a beneficial way, such as fighting infections or cancer. Lucy Notarantonio, MSNBC Newsweek, 18 June 2025 Jalapeños contain capsaicin, a powerful bioactive compound which gives them their signature heat/spice. Heather Riske, Better Homes & Gardens, 24 July 2025 New research led by Australia’s Macquarie University has demonstrated that two of the bioactive ingredients in cannabis, the cannabinoids cannabidiol (CBD) and cannabidivarin (CBDV), have impressive antifungal properties when used topically. Paul McClure 14, New Atlas, 14 June 2025 The thick cream—meant to be used a few times a week—uses a mix of bioactive marine ingredients and staples like hyaluronic acid and vitamin B6 to deeply repair the skin barrier. Perrie Samotin, Glamour, 31 Mar. 2025 See All Example Sentences for bioactive

Word History

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of bioactive was in 1938

Browse Nearby Words

Cite this Entry

“Bioactive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bioactive. Accessed 20 Aug. 2025.

Medical Definition

bioactive

adjective
bio·​ac·​tive -ˈak-tiv How to pronounce bioactive (audio)
: having an effect on a living organism
bioactive molecules
bioactive pharmaceuticals and pesticides
bioactivity noun
plural bioactivities
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!