citric acid: meaning, definition, pronunciation and examples
Low (C1/C2 vocabulary, specialized term)Technical/Scientific; also common in culinary, nutrition, and household cleaning contexts.
Quick answer
What does “citric acid” mean?
A weak organic acid found naturally in citrus fruits like lemons and oranges, giving them their characteristic sour taste.
Audio
Pronunciation
Definition
Meaning and Definition
A weak organic acid found naturally in citrus fruits like lemons and oranges, giving them their characteristic sour taste.
A white crystalline powder, produced commercially through fermentation of carbohydrate sources, widely used as an acidulant, flavour enhancer, preservative, and chelating agent in the food, beverage, pharmaceutical, and cleaning industries.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Both use the term identically.
Connotations
None specific to either variety.
Frequency
Equal frequency in scientific and domestic contexts across both varieties.
Grammar
How to Use “citric acid” in a Sentence
VERB + citric acid: contains, use, add, produce, extractADJ + citric acid: natural, pure, anhydrous, powdered, excesscitric acid + VERB: acts as, enhances, preserves, chelatescitric acid + NOUN: concentration, content, solution, powderVocabulary
Collocations
Examples
Examples of “citric acid” in a Sentence
verb
British English
- The recipe says to citric acid the mixture, but I think it means to add citric acid.
American English
- You can't 'citric acid' something; you add citric acid to it.
adjective
British English
- The citric acid content of this squash is remarkably high.
American English
- We tested the solution for its citric acid concentration.
Usage
Meaning in Context
Business
Used in product ingredient lists, quality control, and procurement for food manufacturing.
Academic
Central to biochemistry (Krebs/citric acid cycle), food science, and chemistry.
Everyday
Found on labels of soft drinks, jams, and cleaning products; used in home preserving.
Technical
Specified in formulations for its precise pH adjustment, antioxidant, or cleaning properties.
Watch out
Common Mistakes When Using “citric acid”
- Incorrect: 'citric' used as a standalone adjective for taste instead of 'citric acid' as the compound name. Incorrect pluralisation (*citric acids). Confusing the 'citric acid cycle' with other metabolic pathways.
FAQ
Frequently Asked Questions
No, they are different. Citric acid (E330) is a sour-tasting acid, while Vitamin C is ascorbic acid (E300), an essential nutrient.
Yes, it is Generally Recognized As Safe (GRAS) by food authorities worldwide and occurs naturally in many fruits. Large amounts can erode tooth enamel or upset digestion.
Also known as the Krebs cycle, it's a series of chemical reactions in cells that release stored energy through the oxidation of acetyl-CoA derived from nutrients.
Yes, it is an effective, eco-friendly descaler for kettles, coffee makers, and taps, and can remove limescale and some stains.
A weak organic acid found naturally in citrus fruits like lemons and oranges, giving them their characteristic sour taste.
Citric acid is usually technical/scientific; also common in culinary, nutrition, and household cleaning contexts. in register.
Citric acid: in British English it is pronounced /ˌsɪtrɪk ˈæsɪd/, and in American English it is pronounced /ˌsɪtrɪk ˈæsɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: CITRUS fruits are SOUR. CITRIC ACID is what makes them sour.
Conceptual Metaphor
PURITY/CLEANLINESS (due to its use in descaling appliances and eco-friendly cleaning).
Practice
Quiz
What is the primary natural source of citric acid?