1) Any horny growth 2) Disease of the skin 3) Skin condition 4) Skin disease 5) Skin disorder 6) Skin problem 1) Keratoma 2) Verruca 
Keratosis (from keratinocyte, the prominent cell type in the epidermis and -osis, abnormal) is a growth of keratin on the skin or on mucous membranes. More specifically, it can refer to: Actinic keratoses are pre-malignant growths. Seborrheic keratoses are not pre-malignant. ...
any protuberance on the skin resulting from the overdevelopment of the horny outermost covering of the skin, or epidermis, the main constituent of ... [1 related articles]
<dermatology> A skin lesion that is abnormally sensitive to the effects of ultraviolet light (sunlight). ... Thought to be a precancerous skin lesion that is more common in the fair-skinned or elderly individual. Approximately 20% of these skin lesions will develop into squamous cell carcinoma. Prevention includes the use of sun screen agents...
(ker″ә-to´sis) any horny growth, such as a wart or callosity.
Type: Term Pronunciation: ker′ă-tō′sis, -sēz Definitions: 1. Any lesion on the epidermis marked by the presence of circumscribed overgrowths of the horny layer.
Keratosis: A localized horny overgrowth of the upper layer of skin such as a callus or wart. Among the common forms of keratosis are actinic keratosis and senile keratosis. Common Misspellings: keritosis
(ker"ah-to'sis) (Greek. Keras - horn) A keratosis is a horny thickening of the skin.
[n] - a skin condition marked by an overgrowth of layers of horny skin
a growth on the skin that is the result of overproduction of the protein keratin 
any skin disease characterized by a horny growth, as a wart. · any horny growth.