mother-of-pearl: meaning, definition, pronunciation and examples

C1
UK/ˌmʌðər əv ˈpɜːl/US/ˌmʌðər əv ˈpɝːl/

Formal, Technical, Literary

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Quick answer

What does “mother-of-pearl” mean?

The hard, iridescent, pearly internal layer of certain mollusc shells, used for ornamentation.

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Pronunciation

Definition

Meaning and Definition

The hard, iridescent, pearly internal layer of certain mollusc shells, used for ornamentation.

Any material or substance that has a similar lustrous, rainbow-like sheen, or used metaphorically to describe something with delicate, shifting colours.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. Spelling is consistent with hyphens. The abbreviated form 'nacre' is more common in technical/scientific contexts in both varieties.

Connotations

Similar connotations of luxury, craftsmanship, and natural beauty in both regions.

Frequency

Slightly higher frequency in British English in historical/antique contexts, but overall comparable.

Grammar

How to Use “mother-of-pearl” in a Sentence

[made of] + mother-of-pearl[with] + a mother-of-pearl + inlay[adorned with] + mother-of-pearl

Vocabulary

Collocations

strong
buttonsinlayshellnacreiridescentlustre
medium
knife handlejewellery boxguitar pickguardcabinetveneer
weak
sheenfinishdecorationfragmentpiece

Examples

Examples of “mother-of-pearl” in a Sentence

verb

British English

  • [No standard verb use]

American English

  • [No standard verb use]

adverb

British English

  • [No standard adverb use]

American English

  • [No standard adverb use]

adjective

British English

  • The antique hairbrush had a mother-of-pearl handle.
  • She admired the mother-of-pearl finish on the old piano keys.

American English

  • The guitar had a custom mother-of-pearl pickguard.
  • He bought a knife with a mother-of-pearl inlay.

Usage

Meaning in Context

Business

Used in luxury goods, jewellery, and antique trades (e.g., 'The vintage compact features genuine mother-of-pearl').

Academic

Found in materials science, marine biology, and art history texts (e.g., 'The microstructure of mother-of-pearl contributes to its strength').

Everyday

Describing decorative objects, buttons, or jewellery (e.g., 'Her bracelet has little mother-of-pearl flowers').

Technical

Referred to as 'nacre' in geology and malacology; a biocomposite of aragonite platelets.

Vocabulary

Synonyms of “mother-of-pearl”

Strong

pearly layeriridescent shell

Neutral

Weak

pearly substancelustrous material

Vocabulary

Antonyms of “mother-of-pearl”

matte finishopaque materialpainted surface

Watch out

Common Mistakes When Using “mother-of-pearl”

  • Misspelling as 'mother of pearl' without hyphens in formal writing.
  • Using it as a countable noun (e.g., 'a mother-of-pearl' – incorrect; 'a piece of mother-of-pearl' – correct).

FAQ

Frequently Asked Questions

No. A pearl is a solid gem formed within a mollusc. Mother-of-pearl (nacre) is the iridescent lining of the shell itself.

It is a permanently hyphenated compound noun: 'mother-of-pearl'. The hyphens are retained even when used attributively (e.g., mother-of-pearl buttons).

Primarily certain molluscs, including oysters, abalone, mussels, and freshwater pearl mussels. The nacre is secreted to line the inner shell.

Yes, descriptively. 'A mother-of-pearl sky' would mean a sky with soft, shifting, iridescent colours, often at dawn or dusk.

The hard, iridescent, pearly internal layer of certain mollusc shells, used for ornamentation.

Mother-of-pearl is usually formal, technical, literary in register.

Mother-of-pearl: in British English it is pronounced /ˌmʌðər əv ˈpɜːl/, and in American English it is pronounced /ˌmʌðər əv ˈpɝːl/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • [No common idioms specific to the term]

Learning

Memory Aids

Mnemonic

Think of a MOTHER oyster creating a PEARL, but instead of the pearl, it's the beautiful, pearly lining of her home (the shell) – the mother-of-pearl.

Conceptual Metaphor

NATURAL BEAUTY IS DELICATE LIGHT (shimmering, fragile, from within).

Practice

Quiz

Fill in the gap
The vintage hair comb was intricately carved from .
Multiple Choice

What is the technical/scientific term for mother-of-pearl?

Practise

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