cabochon
C2/RareFormal/Technical
Definition
Meaning
A gemstone that has been polished but not faceted, typically having a convex, rounded, and smooth surface.
Refers to the style of cutting a gem in this manner. Can also be used in broader contexts (e.g., architecture, design) to describe a smooth, rounded, and polished element.
Linguistics
Semantic Notes
Primarily a term from gemology (jewellery-making) and decorative arts. Its use is highly specific, and it is rarely encountered in general discourse.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. The term is used identically in both technical and decorative contexts.
Connotations
Connotes craftsmanship, antiquity (as this was a common cut before faceting techniques were refined), and a certain organic, smooth aesthetic.
Frequency
Equally rare in both varieties. More likely found in specialist publications, auction catalogues, or high-end jewellery descriptions.
Vocabulary
Collocations
Grammar
Valency Patterns
[noun] was cut en cabochon[noun] is set with a [material] cabochona cabochon of [material]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “None. The term is too technical for common idiomatic use.”
Usage
Context Usage
Business
Used in the jewellery trade, e.g., 'The auction lot featured a Victorian brooch with a cabochon garnet.'
Academic
Used in art history, archaeology, and material culture studies, e.g., 'Medieval rings often featured cabochon sapphires.'
Everyday
Virtually never used in everyday conversation.
Technical
Core term in gemology, lapidary, and jewellery design, describing a specific cutting technique.
Examples
By Part of Speech
noun
British English
- The centrepiece of the tiara was a magnificent cabochon emerald.
- Lapidaries of the period favoured the cabochon cut for opals to enhance their play-of-colour.
American English
- The ring features a large star sapphire cabochon.
- She preferred the soft glow of a cabochon to the sparkle of a faceted diamond.
Examples
By CEFR Level
- The smooth, round stone is called a cabochon. (Highly simplified, unlikely at A2).
- Some gemstones, like turquoise, are often polished into a cabochon.
- Unlike faceted gems, a cabochon has a domed, polished surface with no flat planes.
- The artisan decided to cut the rare specimen en cabochon to preserve its unique internal inclusions, which would have been lost during faceting.
Learning
Memory Aids
Mnemonic
Imagine a CAB (car) with a big, smooth, shiny HUB-CAP. A 'cab-hub-cap' is round and polished, just like a cabochon gem.
Conceptual Metaphor
SMOOTHNESS IS ELEGANCE / THE NATURAL FORM IS BEAUTIFUL (contrasts with the geometric, engineered beauty of faceted stones).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'кабошон' (a type of hat or cap). While the word is a direct loan, in English it refers exclusively to gems and decorative elements. The hat meaning does not exist in English.
Common Mistakes
- Mispronouncing it as /kəˈboʊtʃən/ or /ˈkæbətʃɒn/.
- Using it as a verb (e.g., 'to cabochon a stone' is non-standard; the correct phrasing is 'to cut a stone en cabochon' or 'to cabochon-cut a stone').
- Assuming it is a common word for any gemstone.
Practice
Quiz
What is the defining characteristic of a cabochon?
FAQ
Frequently Asked Questions
Yes, but attributively (before a noun), e.g., 'a cabochon sapphire', 'cabochon cutting'. It is not used predicatively (e.g., 'The stone is cabochon' is awkward).
Opaque stones (e.g., turquoise, lapis lazuli), stones with optical effects like asterism (star sapphires) or chatoyancy (cat's eye), and soft stones that do not facet well (e.g., opal, moonstone).
It is an adverbial phrase borrowed from French, meaning 'in the manner of a cabochon'. It describes the action of cutting or polishing a stone into that form.
No. It is a specialized term from jewellery-making, gemology, and decorative arts. The average native speaker may not know it.