tet·​ra·​hy·​dro·​can·​nab·​i·​nol ˌte-trə-ˌhī-drə-kə-ˈna-bə-ˌnȯl How to pronounce tetrahydrocannabinol (audio)
: 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
… gummy bears infused with THC, or tetrahydrocannabinol, the main psychoactive ingredient in pot.Marshall Allen

Examples of tetrahydrocannabinol in a Sentence

Recent Examples on the Web The part that gets you high, tetrahydrocannabinol (a.k.a. Ali Finney, SELF, 19 Apr. 2024 Hemp and marijuana are both cannabis plants, but the key difference between hemp and marijuana is the amount of psychoactive compound — known as tetrahydrocannabinol or THC — that each plant possesses. Frank E. Lockwood, arkansasonline.com, 30 Mar. 2024 Cannabis plants that contain high levels of tetrahydrocannabinol, or THC, are marijuana and can get users high. Julie Creswell, New York Times, 28 Feb. 2024 Kentucky law does not set a specific legal limit — a driver is considered under the influence if any traces of tetrahydrocannabinol, the psychoactive component in marijuana known as THC, are detected upon a blood test. The Courier-Journal, 17 Jan. 2024 The Stanley brothers had provided Figi with CBD extracted from a strain of cannabis that was high in CBD and low in tetrahydrocannabinol (THC), the psychoactive compound that produces a high. Christine Ricciardi, Hartford Courant, 14 Jan. 2024 But today’s marijuana stores are pushing a jaw-dropping array of products to deliver tetrahydrocannabinol (THC) — well beyond leaf and vape oils. Thomas Farley, STAT, 4 Dec. 2023 This includes cannabinoids like THC (tetrahydrocannabinol), which are responsible for the psychoactive effects associated with marijuana. Amber Smith, Discover Magazine, 14 Oct. 2023 Last year, a study by the by the National Highway Traffic Safety Administration found that 54% of injured or killed drivers had drugs or alcohol in their systems, with tetrahydrocannabinol (THC), an active ingredient in marijuana, the most prevalent. Samantha Hendrickson, Fortune, 3 Nov. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tetrahydrocannabinol.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


tetrahydro- (combined with four atoms of hydrogen) + cannabin + -ol entry 1

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of tetrahydrocannabinol was in 1940

Dictionary Entries Near tetrahydrocannabinol

Cite this Entry

“Tetrahydrocannabinol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tetrahydrocannabinol. Accessed 17 May. 2024.

Medical Definition


tet·​ra·​hy·​dro·​can·​nab·​i·​nol -kə-ˈnab-ə-ˌnȯl How to pronounce tetrahydrocannabinol (audio) -ˌnōl How to pronounce tetrahydrocannabinol (audio)
: thc
especially : thc sense a

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