Dyskeratosis means

Abnormal,premature keratinization within cells  below the stratum granulosum-Dyskeratosis. Discontinuity of the  skin showing incomplete loss of epidermis-Erosion. Thickening of stratum corneum, often associated with a qualitative abnormality of keratin-Hyperkeratosis. Keratinization with retained nuclei in the stratum corneum.-Parakeratosis.