pyruvic acid

noun

py·​ru·​vic acid pī-ˈrü-vik- 

: a 3-carbon acid C₃H₄O₃ that in carbohydrate metabolism is an important intermediate product formed especially during glycolysis

Examples of pyruvic acid in a Sentence

Recent Examples on the Web

Using gas chromatography and mass spectrometry to isolate compounds in the mixture, the researchers identified the presence of succinic and pyruvic acids. —Eli Wizevich, Smithsonian Magazine, 1 Apr. 2025

An entirely different set of compounds—combining unstable sulfonic acids and ammonia and pyruvic acid—produce the pungent flavor and smell. —Mark Kurlansky, Bon Appétit, 6 Nov. 2023

The sweet flavor isn't due to higher quantities of sugar but to fewer chemical compounds of pyruvic acid and sulfur compounds that normally make onions sharp. —Silvia Marchetti, CNN, 8 Oct. 2022

Pigment-specific peels, like pyruvic acid, are recommended since studies have shown this ingredient is specifically effective for diminishing hyperpigmentation. —Julie Ricevuto, Allure, 22 Oct. 2020

For example, carbonaceous chondrites—some of the oldest rocks in the solar system—were recently found to harbor pyruvic acid, which is essential for metabolism. —David W. Brown, Smithsonian, 2 July 2018

Word History

Etymology

International Scientific Vocabulary pyr- + Latin uva grapes; from its importance in fermentation — more at uvula

First Known Use

1838, in the meaning defined above

Rhymes for pyruvic acid

• antacid
• placid

Kids Definition

pyruvic acid

noun

py·​ru·​vic acid pī-ˌrü-vik- 

: an acid that can be formed from either glucose or glycogen and is an important chemical in the production of energy from food in animals

Medical Definition

pyruvic acid

noun

py·​ru·​vic acid pī-ˌrü-vik- 

: a 3-carbon acid C₃H₄O₃ that is an intermediate in carbohydrate metabolism and can be formed either from glucose after phosphorylation or from glycogen by glycolysis