pin
/pin/
Học thuậtThân thiện
Definition
- Noun:
- Battery / Cell: A small, portable device that stores chemical energy and converts it into direct current (DC) electrical energy to power electronic devices. It is typically cylindrical in shape.
- Flashlight (as part of the compound 'đèn pin'): This meaning is only valid within the specific compound term. The word "pin" itself does not mean flashlight.
Usage Examples
- Noun:
- Điều khiển TV này hết pin rồi. (The battery in this TV remote is dead.)
- Tôi cần mua hai cục pin AA. (I need to buy two AA batteries.)
- Đồng hồ của tôi chạy bằng pin. (My watch runs on a battery.)
Advanced Usage
"Sạc pin": to charge a (rechargeable) battery.
- Tôi phải sạc pin điện thoại. (I have to charge my phone's battery.)
"Hết pin" / "Tụt pin": to be out of battery / for the battery to be drained.
- Máy ảnh hết pin nên không chụp được. (The camera is out of battery, so I can't take pictures.)
Variants and Related Words
- Pin tiểu (n): standard cylindrical battery (e.g., AA, AAA).
- Pin sạc (n): rechargeable battery.
- Pin đồng hồ (n): watch battery (button cell).
- Đèn pin (n): flashlight (literally "pin lamp").
Synonyms
- Battery: the general term for a device consisting of one or more electrochemical cells.
- Cell: a single electrochemical unit, often used interchangeably with "battery" for primary (non-rechargeable) types.
Related Idioms
- Hết pin như đèn: to be completely exhausted, like a flashlight with dead batteries. (This is a playful, modern adaptation).
- Làm việc cả ngày, tôi hết pin như đèn. (After working all day, I'm completely drained.)
noun
- cell; battery
- đèn pinflashlight