Examples of tannic acid in a Sentence
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The structures were grown in a saline solution, and were composed of tannic acid and copper phosphate.
—
Ben Coxworth, New Atlas, 8 Feb. 2025
These are sweeter due to lower tannin (tannic acid) percentages.
—Josh Honeycutt, Outdoor Life, 12 Sep. 2024
Reports of stained or tea-colored water in the area have also come in, the news release said, which is likely happening because tannic acids — a byproduct of decomposing vegetation — are being released from flooded wetlands.
—Madeline Heim, Journal Sentinel, 19 July 2024
By mixing iron sulfate with tannic acid (which Little derives from cooking the plant sumac), the ink gets its deep shade, which darkens on the paper’s surface once exposed to oxygen.
—Jacqui Palumbo, CNN, 28 Mar. 2024
Redwoods, a notable exception, are considered fire-resistant due to the tannic acid in their bark.
—Jessica Damiano, San Diego Union-Tribune, 26 Aug. 2023
The bark of these trees contains tannic acid, which helps their bark stay safe from flames.
—Li Cohen, CBS News, 22 Aug. 2023
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, 3 July 2020
Add a pinch of baking soda to neutralize the tannic acid in the brew.
—Jenny Comita, Better Homes & Gardens, 16 Apr. 2021
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Ben Coxworth, New Atlas, 8 Feb. 2025
These are sweeter due to lower tannin (tannic acid) percentages.
—Josh Honeycutt, Outdoor Life, 12 Sep. 2024
Reports of stained or tea-colored water in the area have also come in, the news release said, which is likely happening because tannic acids — a byproduct of decomposing vegetation — are being released from flooded wetlands.
—Madeline Heim, Journal Sentinel, 19 July 2024
By mixing iron sulfate with tannic acid (which Little derives from cooking the plant sumac), the ink gets its deep shade, which darkens on the paper’s surface once exposed to oxygen.
—Jacqui Palumbo, CNN, 28 Mar. 2024
Redwoods, a notable exception, are considered fire-resistant due to the tannic acid in their bark.
—Jessica Damiano, San Diego Union-Tribune, 26 Aug. 2023
The bark of these trees contains tannic acid, which helps their bark stay safe from flames.
—Li Cohen, CBS News, 22 Aug. 2023
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, 3 July 2020
Add a pinch of baking soda to neutralize the tannic acid in the brew.
—Jenny Comita, Better Homes & Gardens, 16 Apr. 2021
Cite this Entry
“Tannic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tannic%20acid. Accessed 18 Mar. 2025.
Copy CitationMedical Definition
tannic acid
noun
tan·nic acid
ˌtan-ik- 
1
: a tannin occurring especially in extracts from nutgalls and yielding gallic acid on hydrolysis
called also digallic acid, gallotannic acid, gallotannin
2
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