amanitin
noun
am·a·ni·tin
ˌa-mə-ˈnī-tᵊn 
-ˈnē-
-ˈnē-
: a highly toxic peptide that is produced by the death cap and that selectively inhibits mammalian RNA polymerase
Examples of amanitin in a Sentence
Recent Examples on the Web
This lethal lineup of mushrooms contains amatoxins, which include alpha, beta, and gamma amanitin.
—
Beth Mole, Ars Technica, 13 Oct. 2022
The poison is amanitin, which is a particularly nasty cocktail of eight other toxins found in amino acids.
—Popular Science, 11 Mar. 2020
The toxic agent here is the same amanitin found in the death cap.
—Bill Heavey, Field & Stream, 9 Mar. 2020
The mushroom contains toxins known as amanitin, which damage liver cells.
—Rachael Rettner Senior Writer, Fox News, 6 June 2017
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Beth Mole, Ars Technica, 13 Oct. 2022
The poison is amanitin, which is a particularly nasty cocktail of eight other toxins found in amino acids.
—Popular Science, 11 Mar. 2020
The toxic agent here is the same amanitin found in the death cap.
—Bill Heavey, Field & Stream, 9 Mar. 2020
The mushroom contains toxins known as amanitin, which damage liver cells.
—Rachael Rettner Senior Writer, Fox News, 6 June 2017
Cite this Entry
“Amanitin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amanitin. Accessed 8 Jul. 2025.
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