isothiocyanate
noun
iso·thio·cy·a·nate
ˌī-sō-ˌthī-ō-ˈsī-ə-ˌnāt 
: a compound containing the monovalent group −NCS
Examples of isothiocyanate in a Sentence
Recent Examples on the Web
Your body converts these compounds into isothiocyanates, which have powerful antioxidant and anti-inflammatory effects.2
A 2025 review of 17 studies found that people who ate the most cruciferous vegetables, including broccoli, had a 17% lower risk of colon cancer than those who ate the least.
—
Jillian Kubala, Health, 4 Mar. 2026
Studies suggest these isothiocyanates may play a role in preventing cancers, including lung cancer, skin cancer, and prostate cancer.234
2.
—Julie Marks, Verywell Health, 12 Feb. 2026
Nomio as a Lactate Fighter The active ingredient in Nomio is isothiocyanates, or ITCs, which are found in cruciferous vegetables such as broccoli, kale, and cabbage.
—Alex Hutchinson, Outside, 29 Oct. 2025
These types of vegetables contain special natural compounds called glucosinolates, which break down into powerful substances called isothiocyanates, the researchers revealed.
—Melissa Rudy, FOXNews.com, 25 Aug. 2025
Specifically, the scientists found that sulfur-rich compounds in certain vegetables, namely isothiocyanates—found in brassicas such as broccoli and cabbage—and polysulfide—found in garlic, onion and leeks—could generate trans fats at high temperatures.
—Hatty Willmoth, Newsweek, 24 Dec. 2024
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Jillian Kubala, Health, 4 Mar. 2026
Studies suggest these isothiocyanates may play a role in preventing cancers, including lung cancer, skin cancer, and prostate cancer.234
2.
—Julie Marks, Verywell Health, 12 Feb. 2026
Nomio as a Lactate Fighter The active ingredient in Nomio is isothiocyanates, or ITCs, which are found in cruciferous vegetables such as broccoli, kale, and cabbage.
—Alex Hutchinson, Outside, 29 Oct. 2025
These types of vegetables contain special natural compounds called glucosinolates, which break down into powerful substances called isothiocyanates, the researchers revealed.
—Melissa Rudy, FOXNews.com, 25 Aug. 2025
Specifically, the scientists found that sulfur-rich compounds in certain vegetables, namely isothiocyanates—found in brassicas such as broccoli and cabbage—and polysulfide—found in garlic, onion and leeks—could generate trans fats at high temperatures.
—Hatty Willmoth, Newsweek, 24 Dec. 2024
Cite this Entry
“Isothiocyanate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isothiocyanate. Accessed 19 Mar. 2026.
Copy CitationMedical Definition
isothiocyanate
noun
iso·thio·cy·a·nate
ˌī-sō-ˌthī-ō-ˈsī-ə-ˌnāt
: a compound containing the monovalent group −NCS : a salt or ester of isothiocyanic acid see allyl isothiocyanate
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