Which combining form means skin? Asked by Blake Matthews Dermato- is a combining form used like a prefix meaning skin. It is used in many medical terms, especially in pathology. Dermato- comes from the Greek dérma, meaning skin. … The combining forms dermo- and derm- are also variants of dermato-. Gabriel Lee, BA Contributor 4.4/529 ratings Rate this answer Leave your comment You may be interested inWhat is the meaning of the combining form in the term… The combining form cyan/o means: blue. Softening of the nail is called: onychomalacia.What is the meaning of the medical term Onychomalacia? Abnormal softness of the fingernails or toenails.In the medical term onychomalacia the suffix means? The suffix in the term onychomalacia means: inflammation. excessive discharge. softening. abnormal state.