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
Goodland Extracts has been extracting cannabinoids, like CBD and THC, from hemp since 2019.
—Jordyn Noennig, Journal Sentinel, 16 May 2024
And higher levels of THC, the main psychoactive component in marijuana, are believed to pose more health risks.
—Michael Smolens, San Diego Union-Tribune, 15 May 2024
The plant’s main psychoactive element, THC, produces feelings of euphoria for users.
—Julia Marnin, Miami Herald, 10 May 2024
Although not fully embracing medical marijuana, Iowa and Texas both have laws allowing limited access to some cannabis products with low levels of THC.
—David A. Lieb, Chicago Tribune, 4 May 2024
Some studies show that the level of THC, the main intoxicant in marijuana, being sold to consumers today is significantly higher than what was available decades ago, and high THC levels are known to pose more health risks.
—Rhitu Chatterjee, NPR, 3 May 2024
Hemp is a variety of the cannabis plant that has low levels of delta-9 THC, the psychoactive compound that gets people high.
—Jessie Opoien, Journal Sentinel, 3 May 2024
This Federal statute contrasts with the claims of therapeutic benefits of cannabis’ biochemical constituents such as cannabidiol and THC (tetra-hydro-cannabinol) when the sole FDA indication for their use is a rare childhood (Lennox-Gasteau) seizure disorder.
—Dr. Jeffrey Lieberman, TIME, 3 May 2024
Alternatively, Cann Social Tonic’s zero-proof Roadie pouches, infused with 2 milligrams of THC, travel easily to the beach.
—Jamie Sims Angela Koh Caitie Kelly Gage Daughdrill Shannon Adducci Ella Riley-Adams Caitie Kelly Angela Koh, New York Times, 2 May 2024
Jordyn Noennig, Journal Sentinel, 16 May 2024
And higher levels of THC, the main psychoactive component in marijuana, are believed to pose more health risks.
—Michael Smolens, San Diego Union-Tribune, 15 May 2024
The plant’s main psychoactive element, THC, produces feelings of euphoria for users.
—Julia Marnin, Miami Herald, 10 May 2024
Although not fully embracing medical marijuana, Iowa and Texas both have laws allowing limited access to some cannabis products with low levels of THC.
—David A. Lieb, Chicago Tribune, 4 May 2024
Some studies show that the level of THC, the main intoxicant in marijuana, being sold to consumers today is significantly higher than what was available decades ago, and high THC levels are known to pose more health risks.
—Rhitu Chatterjee, NPR, 3 May 2024
Hemp is a variety of the cannabis plant that has low levels of delta-9 THC, the psychoactive compound that gets people high.
—Jessie Opoien, Journal Sentinel, 3 May 2024
This Federal statute contrasts with the claims of therapeutic benefits of cannabis’ biochemical constituents such as cannabidiol and THC (tetra-hydro-cannabinol) when the sole FDA indication for their use is a rare childhood (Lennox-Gasteau) seizure disorder.
—Dr. Jeffrey Lieberman, TIME, 3 May 2024
Alternatively, Cann Social Tonic’s zero-proof Roadie pouches, infused with 2 milligrams of THC, travel easily to the beach.
—Jamie Sims Angela Koh Caitie Kelly Gage Daughdrill Shannon Adducci Ella Riley-Adams Caitie Kelly Angela Koh, New York Times, 2 May 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'THC.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near THC
Cite this Entry
“THC.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/THC. Accessed 28 May. 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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