heat rash

1. 1.

   obstruction of the sweat ducts during high heat and humidity

   Synonymsprickly heatmiliaria

   Broaderrash

Questions about heat rash

What does heat rash mean?

heat rash means "obstruction of the sweat ducts during high heat and humidity".

What is another word for heat rash?

Close synonyms include prickly heat, miliaria. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is heat rash a common word?

heat rash is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.