noun. disorder involving lesions or eruptions of the skin (in which there is usually no inflammation).
1. Noun, singular or mass Once the doctor has determined the underlying cause of your pet's dermatosis, she can start the proper course of treatment. 2. Verb, base form Skin contact may lead to a painful, itchy red rash, while prolonged, repeated exposure can lead to dermatosis (a skin condition affecting the face and neck).