flavonoid: meaning, definition, pronunciation and examples

C1-C2/Professional
UK/ˈfleɪvənɔɪd/US/ˈfleɪvəˌnɔɪd/

Technical/Academic/Scientific

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Quick answer

What does “flavonoid” mean?

Any of a large class of plant compounds that are antioxidants and often give colour to fruits and flowers.

Audio

Pronunciation

Definition

Meaning and Definition

Any of a large class of plant compounds that are antioxidants and often give colour to fruits and flowers.

A member of a group of naturally occurring polyphenolic compounds found in many plants, known for their health-promoting effects, including anti-inflammatory and antioxidant properties, and studied in nutrition, medicine, and biochemistry.

Dialectal Variation

British vs American Usage

Differences

No significant lexical or spelling differences. Pronunciation differs slightly (see IPA).

Connotations

Identical scientific connotations in both varieties.

Frequency

Equally low-frequency in general discourse but standard in scientific/health contexts in both regions.

Grammar

How to Use “flavonoid” in a Sentence

The [food] contains a high concentration of flavonoids.Researchers have isolated a new flavonoid from [plant].Flavonoids are known to [verb, e.g., inhibit, protect].

Vocabulary

Collocations

strong
plant flavonoiddietary flavonoidflavonoid contentflavonoid compoundflavonoid antioxidant
medium
rich in flavonoidssource of flavonoidsflavonoid intakeflavonoid groupspecific flavonoid
weak
high flavonoidtotal flavonoidsflavonoid activityflavonoid researchflavonoid profile

Examples

Examples of “flavonoid” in a Sentence

verb

British English

  • The research aims to flavonoid-enrich the supplement.
  • We cannot 'flavonoid' as a verb.

American English

  • The process is designed to flavonoid-fortify the beverage.
  • 'To flavonoid' is not a standard verb.

adverb

British English

  • The extract performed flavonoidly in the assay. (Highly contrived, non-standard)
  • No standard adverbial form.

American English

  • The compound acted flavonoidly. (Highly contrived, non-standard)
  • An adverbial form is not in use.

adjective

British English

  • The flavonoid content was analysed.
  • Flavonoid-rich berries are recommended.

American English

  • The flavonoid profile of the tea was studied.
  • She follows a high-flavonoid diet.

Usage

Meaning in Context

Business

Used in marketing for health foods, supplements, and 'superfood' products (e.g., 'flavonoid-rich blueberry extract').

Academic

Core term in biochemistry, pharmacology, nutrition science, and plant physiology research papers.

Everyday

Rare. Might appear in health articles, on food packaging, or in conversations about nutrition.

Technical

Precise term for a class of aromatic compounds with a specific C6-C3-C6 carbon skeleton (e.g., flavones, flavonols, anthocyanidins).

Vocabulary

Synonyms of “flavonoid”

Strong

bioflavonoid (a specific subgroup)

Neutral

Weak

antioxidant compoundsecondary plant metabolite

Vocabulary

Antonyms of “flavonoid”

pro-oxidantfree radical (in a functional, not structural, sense)

Watch out

Common Mistakes When Using “flavonoid”

  • Mispronouncing as /fləˈvɒnɔɪd/.
  • Using as a countable noun for a single molecule without 'a' or 'the' (e.g., 'Flavonoid is good' vs. 'This flavonoid is good' or 'Flavonoids are good').
  • Confusing with 'flavouring'.

FAQ

Frequently Asked Questions

No, flavonoids are not classified as vitamins. They are a class of polyphenolic, secondary plant metabolites with various biological activities.

Common sources include berries, apples, citrus fruits, onions, tea (especially green tea), dark chocolate, red wine, and many herbs and spices.

'Antioxidant' is a functional term describing a substance that inhibits oxidation. Many flavonoids have antioxidant properties, but not all antioxidants are flavonoids (e.g., vitamin C, vitamin E). Flavonoid is a specific chemical class.

Essentially yes. 'Bioflavonoid' is an older term that is now largely synonymous with 'flavonoid', though it sometimes specifically refers to flavonoids known to have vitamin-like activity for humans.

Any of a large class of plant compounds that are antioxidants and often give colour to fruits and flowers.

Flavonoid is usually technical/academic/scientific in register.

Flavonoid: in British English it is pronounced /ˈfleɪvənɔɪd/, and in American English it is pronounced /ˈfleɪvəˌnɔɪd/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • No common idioms.

Learning

Memory Aids

Mnemonic

Think of 'flavour' + 'oid' (like). Many flavonoids contribute to the flavour and vivid colour ('flava' relates to yellow) of foods.

Conceptual Metaphor

PLANT'S DEFENCE SHIELD / NATURE'S PAINTBOX (for anthocyanin flavonoids providing colour).

Practice

Quiz

Fill in the gap
Blueberries are praised for their high content, which contributes to their antioxidant properties.
Multiple Choice

In which field is the term 'flavonoid' most precisely and frequently used?