windchill
/ˈwɪndˌtʃɪl/
noun
- The cooling effect of wind on the air temperature, making it feel colder than it actually is.
- The windchill made the 20-degree weather feel like it was below zero.
- With a strong windchill, exposed skin can freeze in just a few minutes.
- Always check the windchill before going outside in winter to dress properly.