IPA: /ˌɛk.zɪˈmeɪ.təs/
KK: /ɛkˈzɛmətəs/
Relating to or affected by a skin condition that causes inflammation, redness, and itching.
The doctor diagnosed her with an eczematous rash on her arms.
Eczematous → It is derived from "eczema" (from Greek "ekzema", meaning to boil over) and the suffix "-tous" (meaning characterized by). The word "eczematous" describes a condition characterized by eczema, which is a skin condition that causes inflammation and irritation.
Think of 'eczema' as a skin condition that 'boils over' and remember that 'eczematous' means characterized by this skin condition.