tannic acid


Definition of tannic acid

Examples of tannic acid in a Sentence

Recent Examples on the Web Add a pinch of baking soda to neutralize the tannic acid in the brew. Jenny Comita, Better Homes & Gardens, 16 Apr. 2021 Don’t worry about the tannic acid in the leaves, our alkaline, highly buffered soils are not negatively affected. Calvin Finch, ExpressNews.com, 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, 3 July 2019 Used tea grounds and fresh tea leaves contain nutrients and tannic acid that, when added to the soil, create a more fertile environment for garden, landscape and container plants. OregonLive.com, 10 Feb. 2018

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.

See More

First Known Use of tannic acid

1836, in the meaning defined above

Keep scrolling for more

Learn More About tannic acid

Time Traveler for tannic acid

Time Traveler

The first known use of tannic acid was in 1836

See more words from the same year

Dictionary Entries Near tannic acid


tannic acid


See More Nearby Entries 

Statistics for tannic acid

Cite this Entry

“Tannic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tannic%20acid. Accessed 28 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for tannic acid

tannic acid


English Language Learners Definition of tannic acid

: tannin

tannic acid

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


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!