tetrahydrocannabinol
noun
tet·ra·hy·dro·can·nab·i·nol
ˌte-trə-ˌhī-drə-kə-ˈna-bə-ˌnȯl 
-ˌnōl
-ˌnōl
: thc
… more and more people are advocating for increased research into cannabis. Today, tetrahydrocannabinol (THC) is used in the medical field to deal with certain types of pain, muscle cramps, dizziness and loss of appetite.—
Indian Agriculture News
Indian Agriculture News… gummy bears infused with THC, or tetrahydrocannabinol, the main psychoactive ingredient in pot.—Marshall Allen
Marshall AllenExamples of tetrahydrocannabinol in a Sentence
Recent Examples on the Web
Marijuana, derived from the cannabis plant, contains two primary compounds — tetrahydrocannabinol (THC) and cannabidiol (CBD).
—Melissa Rudy, FOXNews.com, 15 Sep. 2025
Seven products contained undisclosed active ingredients such as caffeine, kava extract (a legal herbal supplement with antianxiety and hallucinogenic effects) and cannabis extract (including the plant’s main psychoactive ingredient, tetrahydrocannabinol, or THC).
—Allison Parshall, Scientific American, 11 Sep. 2025
That’s the compound delta-9-tetrahydrocannabinol, the major active ingredient in cannabis thought to be responsible for the psychoactive effects of use.
—Kristen Rogers, CNN Money, 2 Sep. 2025
About 54% of drivers who were injured had either drugs or alcohol in their systems, with tetrahydrocannabinol, or THC, being dominant, according to the study published in 2022 by the National Highway Traffic Safety Administration.
—Laura Washington, Chicago Tribune, 6 Aug. 2025
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Melissa Rudy, FOXNews.com, 15 Sep. 2025
Seven products contained undisclosed active ingredients such as caffeine, kava extract (a legal herbal supplement with antianxiety and hallucinogenic effects) and cannabis extract (including the plant’s main psychoactive ingredient, tetrahydrocannabinol, or THC).
—Allison Parshall, Scientific American, 11 Sep. 2025
That’s the compound delta-9-tetrahydrocannabinol, the major active ingredient in cannabis thought to be responsible for the psychoactive effects of use.
—Kristen Rogers, CNN Money, 2 Sep. 2025
About 54% of drivers who were injured had either drugs or alcohol in their systems, with tetrahydrocannabinol, or THC, being dominant, according to the study published in 2022 by the National Highway Traffic Safety Administration.
—Laura Washington, Chicago Tribune, 6 Aug. 2025
See All Example Sentences for tetrahydrocannabinol
Cite this Entry
“Tetrahydrocannabinol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tetrahydrocannabinol. Accessed 17 Sep. 2025.
Copy CitationMedical Definition
tetrahydrocannabinol
noun
tet·ra·hy·dro·can·nab·i·nol
-kə-ˈnab-ə-ˌnȯl
-ˌnōl
-ˌnōl
: thc
especially
: thc sense a
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