Definition

1. Noun:
   • Thermos / Vacuum flask: A double-walled insulated container, typically with a narrow neck and a stopper, used to keep liquids hot or cold for an extended period. The term specifically refers to a bottle designed for storing hot water or other beverages.

Usage Examples

• Noun:
  • Mẹ tôi thường pha trà và giữ nóng trong phích nước. (My mother often brews tea and keeps it hot in the thermos.)
  • Phích nước này giữ nhiệt rất tốt. (This vacuum flask retains heat very well.)
  • Anh ấy mang theo một phích nước đầy khi đi cắm trại. (He brings a full thermos when he goes camping.)

Advanced Usage

• The word "phích" is a common short form for "phích nước".
  • Cho tôi xin một ít nước nóng từ cái phích. (Please give me some hot water from the thermos.)

Variants and Related Words

• Bình giữ nhiệt (n): Insulated bottle/flask. This is a more modern or descriptive term.
  • Cô ấy dùng bình giữ nhiệt để đựng cà phê. (She uses an insulated bottle to hold coffee.)

Synonyms

• Thermos: A proprietary brand name often used generically for a vacuum flask.
• Vacuum flask: A container with a vacuum between its double walls to prevent heat transfer.
• Insulated bottle: A bottle designed to maintain the temperature of its contents.

Related Idioms

• There are no common idioms directly using "phích nước". Its usage is literal, referring to the physical object.

noun

1. filter