mao dẫn kế

Giáo viên dùng một mao dẫn kế để minh họa hiện tượng nước dâng lên trong ống nhỏ.

Definition

1. Noun:
   • Capillary tube: A very thin glass tube used in scientific experiments to demonstrate or measure capillary action, the phenomenon where a liquid flows into narrow spaces without the assistance of, or even against, external forces like gravity.
   • Capillarity apparatus / Capillary meter: An instrument or a simple device, often consisting of one or more capillary tubes, used to observe or measure the effects of capillarity, such as the rise or fall of a liquid column.

Usage Examples

• Noun:
  • Giáo viên dùng một mao dẫn kế để minh họa hiện tượng nước dâng lên trong ống nhỏ. (The teacher used a capillary tube to illustrate the phenomenon of water rising in a thin tube.)
  • Mao dẫn kế cho thấy mực nước trong ống hẹp cao hơn bên ngoài. (The capillary meter shows that the water level in the narrow tube is higher than outside.)

Advanced Usage

• This term is highly specialized and is primarily used in academic, scientific, or educational contexts related to physics and chemistry.
• It refers specifically to the apparatus, not the general phenomenon (which is "hiện tượng mao dẫn" or capillary action).

Variants and Related Words

• Hiện tượng mao dẫn (n): Capillary action / capillarity.

  • Hiện tượng mao dẫn giải thích tại sao nước có thể thấm lên giấy. (Capillary action explains why water can soak up into paper.)

• Ống mao dẫn (n): Capillary tube (a more general term for the tube itself).

  • Mẫu máu được thu thập bằng ống mao dẫn. (The blood sample was collected using a capillary tube.)

Synonyms

• Capillary tube
• Capillarity meter
• Capillary apparatus

Notes

• "Mao dẫn kế" is a compound scientific term. "Mao dẫn" means capillary/capillarity, and "kế" means meter or measuring device.
• There are no common idioms or phrasal verbs associated with this specific technical term.