Webster's Revised Unabridged Dictionary · 1913

Xeroderma

Xeroderma , noun

[New Latin, from Greek xhro`s dry + de`rma skin.]

(a)
(Medicine) Ichthyosis.
(b)
(Medicine) A skin disease characterized by the presence of numerous small pigmented spots resembling freckles, with which are subsequently mingled spots of atrophied skin.