1. Meaning:
* Vortex: refers to the spiral shape formed by the fluid in the process of rotation. This category is relatively broad, including air vortex, water vortex, wind vortex and so on.
* Vortex: also known as vortex, usually refers to spiral vortex in water.
2. Usage:
* Vortex: usually used to describe gas vortex, water vortex, wind vortex, etc. For example, "the rotating wind seen on land is a vortex."
* Vortex: usually used to describe the spiral vortex in water. For example, "the rotating water flow formed at the toilet is a whirlpool."
Summary: vortex and vortex have some differences in meaning and usage. Vortex is a broad category, which can refer to gas vortex, water vortex, wind vortex and so on, while vortex usually refers to spiral vortex in water.