Definition

1. Verb:
   • To diffuse: The primary meaning of "khuếch tán" is the process by which particles (e.g., molecules, light, ideas) spread out and mix from an area of higher concentration to an area of lower concentration due to their random, continuous motion.

Usage Examples

• Verb:
  • Mùi nước hoa nhanh chóng khuếch tán trong phòng. (The scent of the perfume quickly diffused throughout the room.)
  • Nhiệt độ cao làm các phân tử khuếch tán nhanh hơn. (High temperature causes molecules to diffuse faster.)
  • Ánh sáng bị khuếch tán khi đi qua lớp sương mù. (Light is diffused when passing through the fog.)

Advanced Usage

• Scientific/Technical Context: Often used in physics, chemistry, and engineering to describe the spontaneous movement of substances.

  • Sự khuếch tán của khí oxy qua màng tế bào là rất quan trọng. (The diffusion of oxygen gas through the cell membrane is very important.)

• Sociological Context: Can be applied to the spread of ideas, innovations, or cultural traits.

  • Internet giúp khuếch tán thông tin một cách chóng mặt. (The internet helps diffuse information at a staggering rate.)

Variants and Related Words

• Sự khuếch tán (n): diffusion. The noun form referring to the process or phenomenon itself.

  • Sự khuếch tán chất lỏng diễn ra chậm hơn chất khí. (Liquid diffusion occurs more slowly than gas diffusion.)

• Tính khuếch tán (n): diffusivity, the property or ability to diffuse.

• Vật khuếch tán (n): diffuser, an object or device that causes diffusion (e.g., a light diffuser).

Synonyms

• Diffuse: to spread or cause to spread over a wide area.
• Disperse: to distribute or spread over a wide area.
• Disseminate: to spread information, knowledge, etc., widely (often for abstract concepts).

Related Scientific Terms

• Khuếch tán nhiệt: thermal diffusion (the movement of particles from a region of higher temperature to lower temperature).
• Khuếch tán áp suất: pressure diffusion.
• Phương trình khuếch tán: diffusion equation (a mathematical model).

verb

1. to diffuse