canister
C1Formal to neutral. Common in technical, household, and industrial contexts.
Definition
Meaning
A cylindrical container, typically made of metal, plastic, or another rigid material, used for storing dry goods or pressurized contents.
Any small container or cartridge designed to hold a specific substance, such as gas, film, or ammunition. In computing, a collective storage unit. In law enforcement/military, a type of projectile.
Linguistics
Semantic Notes
Primarily denotes function (storage/sealing) and material (rigid). Often implies portability, disposability, or containment of a specific measured amount. Distinct from 'jar' (often glass, wider opening) or 'tin' (specifically metal).
Dialectal Variation
British vs American Usage
Differences
Minor. 'Canister' is used in both. Brits may be more likely to refer to a 'tea caddy' than a 'tea canister'. In photography, 'film canister' is universal, though largely historical. The military 'tear gas canister' is also standard.
Connotations
Neutral in both. Slightly more technical or formal than 'tin' or 'container'.
Frequency
Similar frequency. Possibly more common in US product labeling (e.g., 'coffee canister').
Vocabulary
Collocations
Grammar
Valency Patterns
canister of [substance] (e.g., a canister of film)canister for [purpose] (e.g., a canister for sugar)canister containing [substance]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Shoot the canister (jargon, in film/photography contexts). Not a widely recognized idiom.”
Usage
Context Usage
Business
Supply chain/logistics for storage and transport of bulk powders or granules.
Academic
Chemistry/Physics labs for storing reagents or gas samples. Historical studies of photography.
Everyday
Kitchen storage (flour, sugar, coffee), camping gas cylinders, old film containers.
Technical
CNC machining (tool canister), firefighting (oxygen canister), military (CS gas canister).
Examples
By Part of Speech
adjective
British English
- The canister shot ripped through the fort's walls.
- A canister-style vacuum cleaner is more powerful.
American English
- The canister shot devastated the infantry line.
- I prefer a canister vacuum for the stairs.
Examples
By CEFR Level
- I keep the sugar in a blue canister.
- The camera needs a new film canister.
- We bought a canister of helium for the balloons.
- The recipe said to add one canister of coconut milk.
- The firefighters quickly replaced the empty oxygen canister.
- Archaeologists found a sealed canister containing documents from the 19th century.
- The new regulations govern the transport of pressurised chemical canisters.
- The projectile was a type of canister round, designed to disperse submunitions over a wide area.
Learning
Memory Aids
Mnemonic
Think of CAN + STORE = CANISTER. It's a **can** that helps you **store** things.
Conceptual Metaphor
CONTAINER FOR PRESERVATION (keeps things fresh, safe, contained). PORTABLE RESERVOIR (holds a supply ready for use).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Не путать с 'канистра' (canister vs. canister - actually cognates, but 'канистра' in Russian often implies a larger liquid container, typically for fuel).
- Может переводиться как 'баллон' (для газа), 'кассета' (для фото), 'банка' (для сыпучих продуктов). Конкретный перевод зависит от содержимого.
Common Mistakes
- Misspelling as 'cannister' (common but non-standard).
- Confusing with 'can' (a canister is often a specific type of can, usually with a lid).
- Using for liquid containers (possible but less common; 'canister' typically for dry goods or gas).
Practice
Quiz
In which context is the word 'canister' LEAST likely to be used?
FAQ
Frequently Asked Questions
A 'can' is a broader term, often for sealed metal containers of food/drink (soda can). A 'canister' usually has a removable lid for repeated access to dry contents (flour) or holds a specific substance under pressure (gas), and can be made of various materials.
Rarely in everyday language. In specialized IT/data architecture, it can metaphorically describe a logical storage unit, but 'container' is far more common.
Yes, but primarily in historical or niche film photography contexts. For digital storage, terms like 'memory card' or 'SD card' are used.
In British English: /ˈkæn.ɪ.stər/ (CAN-iss-tuh). In American English: /ˈkæn.ə.stɚ/ (CAN-uh-stur). The main difference is the vowel in the second syllable.