DictionaryrashSkin irritation
noun

rash

RASH/ræʃ/

An area of irritated or inflamed skin.

The new soap leaves an itchy rash on her arms.

Close non-graphic adult forearm with small area of irritated red patches and mild bumps, other hand gently indicates affected region; no severe wound, labels or diagnosis.
Etymology

The skin word's origin is uncertain. It may come from French rache, 'a sore,' ultimately associated with scraping; the suggested connection is the itching that accompanies a rash.

In context

Mayo Clinic9:43
… if you see a rash that appears inflamed or red relative to your skin tone, tends to be slightly scaly or oozy …
Mayo Clinic Q&A podcast: Got itchy, red skin?

More examples

  • He develops a rash after touching poison ivy.
  • The rash on my neck fades after a few days.
  • This cream helps soothe diaper rash.

Forms

rash · rashes

Similar words

eruption
A medical term emphasizing the appearance of spots or bumps.
dermatitis
Names skin inflammation as a condition, rather than its visible patch.