THC
noun
: either of two physiologically active isomers C21H30O2 from hemp plant resin
especially
: one that is the chief intoxicant in marijuana
When a person tokes, eats or vapes cannabis, a wave of THC, or tetrahydrocannabinol, washes into the brain. —
Laura Sanders
Laura Sanders THC, the main chemical component of marijuana, has been shown to reduce nausea and increase appetite in chemotherapy patients. —Andrew Weil
Andrew Weil THC disappears from blood quickly as it is absorbed in the brain, making blood tests a more reliable measure of recent use but not a great correlate of impairment. —Eliza Gray
Eliza Gray Examples of THC in a Sentence
Recent Examples on the Web
In this era of legalized THC, there's a ton of beautiful (and, yes, sometimes funny) gifts for stoners that'll make your favorite weed lover truly light up—in more ways than one.
—Malia Griggs, Glamour, 16 Oct. 2024
Under the new regulations, hemp products may not have any detectable level of THC.
—Will Yakowicz, Forbes, 5 Oct. 2024
Once the edible is ingested, the THC is metabolized by the liver and transformed into 11-hydroxy-THC, a compound that’s four times faster in crossing the blood-brain barrier than THC.
—Tribune Content Agency, The Mercury News, 4 Oct. 2024
The report found Quan’s system contained a toxic mix of drugs at the time of his death, which included fentanyl, alprazolam, codeine, promethazine and THC.
RHQ was laid to rest at a celebration of life ceremony in Georgia on Sept. 17, which saw speeches from family members and friends.
—Michael Saponara, Billboard, 4 Oct. 2024
See all Example Sentences for THC 
Malia Griggs, Glamour, 16 Oct. 2024
Under the new regulations, hemp products may not have any detectable level of THC.
—Will Yakowicz, Forbes, 5 Oct. 2024
Once the edible is ingested, the THC is metabolized by the liver and transformed into 11-hydroxy-THC, a compound that’s four times faster in crossing the blood-brain barrier than THC.
—Tribune Content Agency, The Mercury News, 4 Oct. 2024
The report found Quan’s system contained a toxic mix of drugs at the time of his death, which included fentanyl, alprazolam, codeine, promethazine and THC.
RHQ was laid to rest at a celebration of life ceremony in Georgia on Sept. 17, which saw speeches from family members and friends.
—Michael Saponara, Billboard, 4 Oct. 2024
See all Example Sentences for THC
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Cite this Entry
“THC.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/THC. Accessed 21 Oct. 2024.
Copy CitationMedical Definition
THC
noun
: either of two physiologically active isomers C21H30O2 that occur naturally in hemp plant resin or are synthetically prepared:
a
: one that is the chief intoxicant in marijuana and is used medicinally
called also delta-9-tetrahydrocannabinol, delta-9-THC
see dronabinol
b
: one that is present in marijuana only in minute quantities
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