Pittings are small depressions or holes that can be found on various surfaces, including metals, concrete, or skin. Synonyms for pittings include indentations, dents, cavities, hollows, impressions, notches, craters, potholes, and divots. These terms describe the same type of concave features that can be produced due to various reasons. They are commonly used in material science, engineering, and medical fields to describe defects, damages, or abnormalities on different surfaces or tissues. For example, pittings on metal surfaces can be caused by corrosion or mechanical damage, while pittings on the skin can be caused by acne or chickenpox. Using different synonyms for pittings can help to facilitate more precise and descriptive communication across different disciplines.