Meaning and Usage
The word "筒" (つつ) primarily means "tube" or "pipe," referring to a hollow cylindrical object. It is often used in technical or physical contexts where something is shaped like a tube or pipe.
Common Collocations
- 筒に入れる (つつにいれる): to put something into a tube or cylinder, often used for storing or mailing items.
- 金属の筒 (きんぞくのつつ): metal tube, common in engineering or construction.
- 筒状のもの (つつじょうのもの): tube-shaped object, describing the form.
Usage Notes
"筒" is a formal or technical term and is less common in everyday casual conversation compared to words like "パイプ" (pipe) or "チューブ" (tube). It is often seen in written language, manuals, or specialized fields.
Learners should not confuse "筒" with similar-sounding words like "包む" (つつむ, to wrap). Also, note that "筒" is a noun and does not function as a verb or grammatical particle.
Register and Politeness
"筒" is neutral in politeness but tends to appear in formal or technical contexts rather than casual speech.