水筒

すいとう

canteen, flask, water bottle

JLPT N2

Character Breakdown

Meaning and Usage

The word 水筒 (すいとう) refers to a portable container used to carry water or other drinks, commonly translated as "canteen," "flask," or "water bottle." It is often used in contexts like school trips, hiking, or daily use to keep beverages handy.

Common Contexts

Water bottles described as 水筒 are typically made of metal or plastic and may have insulation to keep drinks hot or cold. They are practical for outdoor activities and commuting.

Collocations and Patterns

  • 水筒を持って行く: to bring a water bottle, often used when preparing for outings.
  • 水筒にお茶を入れる: to put tea in a water bottle, a common practice in Japan.
  • 保温水筒: insulated flask, emphasizing temperature retention.

Usage Notes

水筒 is a neutral, everyday word suitable for casual and polite conversation. It is more specific than just "bottle" and implies a container designed for drinking liquids on the go.

A common learner mistake is confusing 水筒 with ペットボトル (plastic bottled drinks sold commercially). 水筒 usually refers to reusable containers, not disposable bottles.

Example Sentences

えんそくにはかならずすいとうをもっていきます。

I always take a water bottle with me on field trips.

なつはすいとうにつめたいおちゃをいれてもちあるくといいですよ。

In summer, it's good to carry a water bottle filled with cold tea.

このすいとうはほおんこうかがたかいので、ふゆでもあたたかいのみものがのめます。

This flask has good insulation, so you can drink warm beverages even in winter.