Definitions

1. verb

to cause or become covered in or as if in pustules, especially to become inflamed or infected

“The skin began to pustulate after the bee sting.”

2. noun

a small, inflamed or infected spot or blister, typically on the skin

“The doctor examined the pustulate rash on the patient’s arm.”

3. verb (transitive)

to form or cause to form pustules

“The antibiotic cream helps to pustulate and heal the infection.”