cavity block: meaning, definition, pronunciation and examples
C1Technical (construction, engineering, architecture)
Quick answer
What does “cavity block” mean?
A large, hollow concrete block with one or more internal voids, designed for building insulated walls.
Audio
Pronunciation
Definition
Meaning and Definition
A large, hollow concrete block with one or more internal voids, designed for building insulated walls.
In broader construction contexts, a cavity block can also refer to any masonry unit designed to create a cavity wall system for thermal or acoustic insulation.
Dialectal Variation
British vs American Usage
Differences
The term is standard in UK construction. In the US, functionally equivalent products are often called 'hollow concrete blocks' or 'cinder blocks with cavities', though 'cavity block' is understood technically.
Connotations
In the UK, it's a neutral, precise technical term. In the US, it can sound slightly more British or explicitly technical.
Frequency
Much more frequent in UK/Irish/Australian English. Less common in everyday US English, where 'cinder block' (often solid) is a more generic colloquial term.
Grammar
How to Use “cavity block” in a Sentence
[construction] using + [cavity blocks][wall] built from/of + [cavity blocks][to] lay/install + [cavity blocks]Vocabulary
Collocations
Examples
Examples of “cavity block” in a Sentence
verb
British English
- N/A
American English
- N/A
adverb
British English
- N/A
American English
- N/A
adjective
British English
- The cavity-block construction met the latest building regulations.
American English
- They opted for a cavity-block foundation for its insulation value.
Usage
Meaning in Context
Business
A construction firm will specify cavity blocks in a bill of quantities for a housing project.
Academic
The paper analysed the thermal performance of various cavity block designs in passive house construction.
Everyday
The builder recommended using cavity blocks for the extension to keep it warmer.
Technical
The 100mm dense inner leaf was built from aggregate cavity blocks with a compressive strength of 7N/mm².
Vocabulary
Synonyms of “cavity block”
Strong
Neutral
Weak
Vocabulary
Antonyms of “cavity block”
Watch out
Common Mistakes When Using “cavity block”
- Confusing 'cavity block' (a single unit) with 'cavity wall' (a wall system made of two leaves with a gap). Using 'cavity block' as a verb ('to cavity block a wall').
FAQ
Frequently Asked Questions
Not exactly. A cinder block is a type of concrete block, often hollow. However, 'cinder block' is a more generic US term and may not specifically emphasize the insulated cavity design that 'cavity block' does in UK usage.
Yes, many cavity blocks are designed with sufficient compressive strength for load-bearing applications in low-rise construction, but the specific product's technical data must be consulted.
Often, the cavities are left as air pockets, which provide insulation. Sometimes they are filled with loose insulation material (like perlite) or, in the case of cavity walls, the gap between two block leaves is filled.
Primarily for their superior thermal insulation properties and lighter weight, which makes them easier to handle and can reduce foundation loads.
A large, hollow concrete block with one or more internal voids, designed for building insulated walls.
Cavity block is usually technical (construction, engineering, architecture) in register.
Cavity block: in British English it is pronounced /ˈkæv.ɪ.ti ˌblɒk/, and in American English it is pronounced /ˈkæv.ə.t̬i ˌblɑːk/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “N/A”
Learning
Memory Aids
Mnemonic
Think of a Swiss cheese BLOCK used for building; the CAVITIES (holes) trap air for insulation.
Conceptual Metaphor
A CAVITY BLOCK IS A CONTAINER (for air, insulation material).
Practice
Quiz
What is the primary purpose of the voids in a cavity block?