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 higher doses, THC can actually increase anxiety in some people (yikes!).
—Matt Rozo, The Mercury News, 23 Jan. 2025
Hemp is defined by federal law as cannabis with less than 0.3% dry weight of delta-9 THC, the main component that gets users stoned.
—Robert McCoppin, Chicago Tribune, 18 Jan. 2025
And yet, with its exploding market for largely unregulated consumable hemp, Texas has inadvertently become the new Republic of THC.
—John Burnett, NPR, 13 Jan. 2025
The joint task force operation found the organization was distributing various drugs, including opioids, high-grade marijuana, THC products and MDMA.
—Kerry Breen, CBS News, 7 Jan. 2025
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Matt Rozo, The Mercury News, 23 Jan. 2025
Hemp is defined by federal law as cannabis with less than 0.3% dry weight of delta-9 THC, the main component that gets users stoned.
—Robert McCoppin, Chicago Tribune, 18 Jan. 2025
And yet, with its exploding market for largely unregulated consumable hemp, Texas has inadvertently become the new Republic of THC.
—John Burnett, NPR, 13 Jan. 2025
The joint task force operation found the organization was distributing various drugs, including opioids, high-grade marijuana, THC products and MDMA.
—Kerry Breen, CBS News, 7 Jan. 2025
See all Example Sentences for THC
Dictionary Entries Near THC
Cite this Entry
“THC.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/THC. Accessed 8 Feb. 2025.
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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