inhibitor

noun

in·​hib·​i·​tor in-ˈhi-bə-tər How to pronounce inhibitor (audio)
: one that inhibits: such as
a
: an agent that slows or interferes with a chemical action
b
: a substance that reduces or suppresses the activity of another substance (such as an enzyme)

Examples of inhibitor in a Sentence

Recent Examples on the Web Metoprolol can interact with several medications, including certain blood pressure drugs, monoamine oxidase inhibitors (MAOIs), digoxin, and others. Karen Berger, Pharmd, Verywell Health, 25 Oct. 2024 For some patients, checkpoint inhibitors can help reverse cancer’s clever tactic. William A. Haseltine, Forbes, 25 Oct. 2024 Carbonic anhydrase inhibitors like Trusopt Ocumeter (dorzolamide) and Azopt (brinzolamide) Oral Medications Prescription medications taken by mouth are considered in more severe cases, when eye drops aren’t tolerated or pressure in the eye spikes. Mark Gurarie, Health, 3 Oct. 2024 Composite decks fade as UV inhibitors wear off, and concrete decks may fade as sunlight impacts pigments in the finish (especially if they weren't appropriately sealed or treated). Nafeesah Allen, Better Homes & Gardens, 16 Sep. 2024 See all Example Sentences for inhibitor 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'inhibitor.' 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

circa 1611, in the meaning defined above

Time Traveler
The first known use of inhibitor was circa 1611

Dictionary Entries Near inhibitor

Cite this Entry

“Inhibitor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inhibitor. Accessed 31 Oct. 2024.

Medical Definition

inhibitor

noun
in·​hib·​i·​tor in-ˈhib-ət-ər How to pronounce inhibitor (audio)
: one that inhibits: as
a
: an agent that slows or interferes with a chemical reaction
b
: a substance that reduces the activity of another substance (as an enzyme)
c
: a gene that checks the normal effect of another nonallelic gene when both are present
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!