delaminate
C2Technical/Formal
Definition
Meaning
To separate or split into layers.
To cause a laminated structure (material consisting of bonded layers) to split apart along the layer boundaries, often due to failure of the adhesive or bonding process.
Linguistics
Semantic Notes
The term is intransitive in its core technical use (e.g., 'The plywood delaminated'), but can be used transitively in causative contexts (e.g., 'Moisture delaminated the veneer'). Its usage is overwhelmingly specific to materials science, engineering, and manufacturing.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling and pronunciation are consistent.
Connotations
Neutral technical descriptor of a failure mode in both varieties.
Frequency
Equally low-frequency and specialised in both UK and US English, confined to technical contexts.
Vocabulary
Collocations
Grammar
Valency Patterns
[Material] delaminates (intransitive)[Agent/Force] delaminates [Material] (transitive, less common)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[No common idioms]”
Usage
Context Usage
Business
Used in quality control, manufacturing defect reports, or warranty claims regarding laminated products.
Academic
Used in materials science, engineering, geology (e.g., rock strata), and construction technology papers.
Everyday
Virtually never used in everyday conversation. A layperson might say 'the veneer is peeling'.
Technical
The primary register. Describes a specific failure in composites, plywood, coatings, printed circuit boards, and laminated glass.
Examples
By Part of Speech
verb
British English
- The old marine plywood began to delamate after years in the damp boathouse.
- If the adhesive fails, the composite panel will delaminate under stress.
American English
- The fiberglass hull delaminated after the impact. We need to repair it.
- High humidity can cause the veneer to delaminate from the particle board.
adjective
British English
- The delaminated section of the worktop needed replacing.
- They inspected the delaminated strata in the cliff face.
Examples
By CEFR Level
- [Too technical for A2]
- [Too technical for B1]
- The cheap furniture had a surface that started to peel and delaminate.
- Engineers test materials to ensure they won't delaminate.
- Microscopic analysis revealed that the carbon-fibre composite had begun to delaminate at the stress points, compromising its integrity.
- The geological report described how certain sedimentary rocks can delaminate along their bedding planes over millennia.
Learning
Memory Aids
Mnemonic
Think of 'DE-LAYER-MINATE'. You are taking the 'lamin-' (layer) out of a laminated object.
Conceptual Metaphor
FAILURE IS UNRAVELLING / STRUCTURE IS SKIN (e.g., the material's skin peels away in layers).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating as 'расслаивать' in non-technical contexts where 'отслаиваться' or 'шелушиться' is more natural for peeling paint/skin.
- Do not confuse with 'delimit' (разграничивать) which is unrelated.
Common Mistakes
- Using it as a general synonym for 'break' or 'tear'.
- Misspelling as 'de-laminate' (hyphen is not standard).
- Incorrect stress: stressing the first syllable (/ˈdiː.læm.ɪ.neɪt/).
Practice
Quiz
In which context is the verb 'delaminate' most accurately used?
FAQ
Frequently Asked Questions
No, it is a specialised technical term. The average English speaker may not know it or use it.
Technically yes, if the paint/skin has a layered structure. However, 'peel', 'flake', or 'blister' are far more common in everyday descriptions.
The noun form is 'delamination' (e.g., 'delamination of the composite material').
They are very close synonyms in engineering. 'Delaminate' strongly implies separation *between layers* of the same material system, while 'debond' can also refer to an adhesive failing at the interface between two different materials.