tannic acid

noun

Definition of tannic acid

Examples of tannic acid in a Sentence

Recent Examples on the Web Don’t worry about the tannic acid in the leaves, our alkaline, highly buffered soils are not negatively affected. Calvin Finch, ExpressNews.com, "Winter gardening issues facing San Antonio yards and what to do about them," 2 Jan. 2020 Ground gall nuts, taken from an oak-like tree, were boiled to draw out tannic acid, which was mixed with iron sulfate scraped from nails. Joe Pappalardo, Popular Mechanics, "The Science of Saving the Declaration of Independence," 3 July 2019 Ground gall nuts, taken from an oak-like tree, were boiled to draw out tannic acid, which was mixed with iron sulfate scraped from nails. Joe Pappalardo, Popular Mechanics, "The Science of Saving the Declaration of Independence," 3 July 2019 Ground gall nuts, taken from an oak-like tree, were boiled to draw out tannic acid, which was mixed with iron sulfate scraped from nails. Joe Pappalardo, Popular Mechanics, "The Science of Saving the Declaration of Independence," 3 July 2019 Ground gall nuts, taken from an oak-like tree, were boiled to draw out tannic acid, which was mixed with iron sulfate scraped from nails. Joe Pappalardo, Popular Mechanics, "The Science of Saving the Declaration of Independence," 3 July 2019 Ground gall nuts, taken from an oak-like tree, were boiled to draw out tannic acid, which was mixed with iron sulfate scraped from nails. Joe Pappalardo, Popular Mechanics, "The Science of Saving the Declaration of Independence," 3 July 2019 Ground gall nuts, taken from an oak-like tree, were boiled to draw out tannic acid, which was mixed with iron sulfate scraped from nails. Joe Pappalardo, Popular Mechanics, "The Science of Saving the Declaration of Independence," 3 July 2019 Ground gall nuts, taken from an oak-like tree, were boiled to draw out tannic acid, which was mixed with iron sulfate scraped from nails. Joe Pappalardo, Popular Mechanics, "The Science of Saving the Declaration of Independence," 3 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tannic acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of tannic acid

1836, in the meaning defined above

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The first known use of tannic acid was in 1836

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Cite this Entry

“Tannic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tannic%20acid. Accessed 22 Sep. 2020.

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More Definitions for tannic acid

tannic acid

noun
tan·​nic acid | \ ˌtan-ik- How to pronounce tannic acid (audio) \

Medical Definition of tannic acid

1 : a tannin occurring especially in extracts from nutgalls and yielding gallic acid on hydrolysis

called also digallic acid, gallotannic acid, gallotannin

More from Merriam-Webster on tannic acid

Britannica.com: Encyclopedia article about tannic acid

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