inhibitor
noun
in·hib·i·tor
in-ˈhi-bə-tər 
: 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
Based on the trial results, Scholar Rock, is now seeking FDA approval for their myostatin inhibitor, which is based on a fundamental mechanism discovered by Lee.
—
Pamela McLoughlin, Hartford Courant, 13 Mar. 2025
And then there’s hydroquinone, another well-known, though somewhat controversial, tyrosinase inhibitor.
—Jenna Ryu, SELF, 4 Mar. 2025
Aromatase inhibitor medications may reduce the risk of breast cancer in people who have gone through menopause.
—Carrie Madormo, Rn, Health, 27 Feb. 2025
Patients will be randomized into two groups, patients in one will receive surgery followed by conventional chemotherapy treatment and the other will receive surgery, a personalized mRNA vaccine and also an immune checkpoint inhibitor drug to aid the immune response after the vaccine.
—Victoria Forster, Forbes, 23 Feb. 2025
See All Example Sentences for inhibitor
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.
Pamela McLoughlin, Hartford Courant, 13 Mar. 2025
And then there’s hydroquinone, another well-known, though somewhat controversial, tyrosinase inhibitor.
—Jenna Ryu, SELF, 4 Mar. 2025
Aromatase inhibitor medications may reduce the risk of breast cancer in people who have gone through menopause.
—Carrie Madormo, Rn, Health, 27 Feb. 2025
Patients will be randomized into two groups, patients in one will receive surgery followed by conventional chemotherapy treatment and the other will receive surgery, a personalized mRNA vaccine and also an immune checkpoint inhibitor drug to aid the immune response after the vaccine.
—Victoria Forster, Forbes, 23 Feb. 2025
See All Example Sentences for inhibitor
Cite this Entry
“Inhibitor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inhibitor. Accessed 18 Apr. 2025.
Copy CitationMedical Definition
inhibitor
noun
in·hib·i·tor
in-ˈhib-ət-ər
: 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share