air mattress: meaning, definition, pronunciation and examples
B1Informal, Everyday. Neutral but slightly casual. The term is common in domestic, travel, and retail contexts.
Quick answer
What does “air mattress” mean?
An inflatable mattress that uses air as a cushioning medium, used primarily as temporary bedding.
Audio
Pronunciation
Definition
Meaning and Definition
An inflatable mattress that uses air as a cushioning medium, used primarily as temporary bedding.
A portable, often temporary, sleeping surface that can be inflated and deflated for storage or transport. Extended uses include camping, emergency bedding for guests, pool floats (when designed for it), and temporary medical/physiotherapy use (e.g., alternating pressure mattresses).
Dialectal Variation
British vs American Usage
Differences
In British English, 'air bed' is a very common, arguably more frequent synonym. In American English, 'air mattress' is dominant. The British may also use 'lilo' (from the brand Li-Lo) for a pool/beach air mattress, but not for a sleeping mattress.
Connotations
Both convey the same core object. 'Air bed' (UK) can sound slightly more established as a piece of bedding. 'Air mattress' (US/UK) emphasizes its mattress-like function.
Frequency
"Air mattress" is common in both, but "air bed" is a strong competitor in the UK. In US corpus data, "air mattress" is significantly more frequent.
Grammar
How to Use “air mattress” in a Sentence
VERB + air mattress: inflate/deflate/pump up/roll up/store an air mattressPREP + air mattress: sleep on an air mattress, a leak in the air mattressADJ + air mattress: a spare/single/double/leaking air mattressVocabulary
Collocations
Examples
Examples of “air mattress” in a Sentence
verb
British English
- (No standard verb form. Periphrastic: 'to air-mattress' is non-standard.)
American English
- (No standard verb form. Periphrastic: 'to air-mattress' is non-standard.)
adverb
British English
- (None)
American English
- (None)
adjective
British English
- (Attributive use only, e.g., 'air-mattress comfort', 'air-mattress pump'. Hyphenated in compound modifiers.)
American English
- (Attributive use only, e.g., 'air mattress storage bag', 'air mattress pump'. Often open compound in AmE.)
Usage
Meaning in Context
Business
Retail (e.g., 'Our summer range includes camping gear and air mattresses.').
Academic
Rare. Possibly in ergonomics or product design studies.
Everyday
Very common (e.g., 'Can you bring an air mattress for the extra guest?', 'We'll need an air mattress for camping.')
Technical
Product specifications (materials, weight capacity, dimensions). In medical contexts, 'alternating pressure air mattress'.
Vocabulary
Synonyms of “air mattress”
Strong
Neutral
Weak
Vocabulary
Antonyms of “air mattress”
Watch out
Common Mistakes When Using “air mattress”
- Misspelling as 'airmatress' or 'air matress'.
- Using incorrect preposition: 'sleep in an air mattress' (correct: ON).
- Confusing with 'waterbed'.
- Using plural 'air mattresses' but spelling as 'air mattress's' (incorrect possessive).
FAQ
Frequently Asked Questions
In practical, everyday use, yes, they refer to the same type of product. 'Airbed' is more common in British English, while 'air mattress' is dominant in American English. Some manufacturers may use 'airbed' for thicker, more bed-like versions.
Ensure the valve is tightly closed, avoid over-inflation, keep it away from sharp objects, use it on a smooth surface, and consider a repair patch kit for small leaks.
While some pool floats are technically inflatable mattresses, the term 'air mattress' strongly implies bedding. For the pool, terms like 'pool float', 'lounger', or 'inflatable raft' are more precise. In the UK, 'lilo' is common for this.
The standard plural is 'air mattresses'. The spelling remains two separate words.
An inflatable mattress that uses air as a cushioning medium, used primarily as temporary bedding.
Air mattress is usually informal, everyday. neutral but slightly casual. the term is common in domestic, travel, and retail contexts. in register.
Air mattress: in British English it is pronounced /ˈeə ˌmæt.rəs/, and in American English it is pronounced /ˈer ˌmæt.rəs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “(None directly associated. Possible simile: 'as comfortable as a half-deflated air mattress')”
Learning
Memory Aids
Mnemonic
Think: AIR you need to pump it up + MATTRESS you sleep on it = AIR MATTRESS. Visualize blowing air into a mattress-shaped object.
Conceptual Metaphor
TEMPORARY/IMPERMANENT IS INFLATABLE (e.g., 'Their plans were as solid as an air mattress with a hole.').
Practice
Quiz
Which of the following is a key characteristic of an 'air mattress'?