10K+

UK//hiːt ˈɪndɛks//US//hit ˈɪndɛks//

Meaning of Heat index

In simple words: A number showing how hot it feels when humidity is added to the temperature.

Heat index in a sentence

  • The heat index today is expected to be above 100 degrees, making it feel much hotter.
  • During humid summer days, the heat index can be significantly higher than the actual temperature.
  • It's important to check the heat index if you plan to spend time outdoors in high temperatures.
  • The weather report mentioned a heat index warning due to the extreme humidity levels.
  • Understanding the heat index can help prevent heat-related illnesses during hot weather.

How to use Heat index

Used primarily in weather reports and discussions about temperature; not commonly used in casual conversation.

Grammar pattern

standalone term

Memory hint

Think of it as 'heat + index' — measuring heat with humidity factored in.

Related words

Collocations with Heat index

  • calculate heat index
  • monitor heat index
  • high heat index
  • heat index warning
  • heat index value

Synonyms for Heat index

  • humidex
  • heat stress index
  • apparent temperature
  • sensible heat
  • thermal discomfort index

Common mistakes with Heat index

  • Confused with 'heat wave', which refers to a period of excessively hot weather.
  • Using 'heat index' incorrectly to describe just temperature, without considering humidity.
  • Believing that the heat index is always higher than the temperature, which is not necessarily true.

Heat index appears in

Heat index in other languages

More s like Heat index

People also search for

  • Heat index meaning
  • meaning of Heat index
  • Heat index definition
  • define Heat index
  • what does Heat index mean
  • Heat index means
  • how to use Heat index

Frequently asked questions about Heat index

What does Heat index mean?

A number showing how hot it feels when humidity is added to the temperature.

What is the definition of Heat index?

A measure that combines air temperature and humidity to indicate perceived heat.

How do you use Heat index in a sentence?

The heat index today is expected to be above 100 degrees, making it feel much hotter.

Can you give another example of Heat index?

During humid summer days, the heat index can be significantly higher than the actual temperature.

What are synonyms for Heat index?

Common alternatives include humidex, heat stress index, apparent temperature, sensible heat, thermal discomfort index.

What words go with Heat index?

It commonly pairs with calculate heat index, monitor heat index, high heat index, heat index warning, heat index value.

What are common mistakes when using Heat index?

Confused with 'heat wave', which refers to a period of excessively hot weather. Using 'heat index' incorrectly to describe just temperature, without considering humidity. Believing that the heat index is always higher than the temperature, which is not necessarily true.

How do you pronounce Heat index?

US: //hit ˈɪndɛks//, UK: //hiːt ˈɪndɛks//. Listen to the audio above to hear native pronunciation.

When should I use Heat index?

Used primarily in weather reports and discussions about temperature; not commonly used in casual conversation.