The building blocks of English

Affixes

xero-

Before a vowel xer-.

Dry.

Greek xēros, dry.

Xerography is a dry copying process, to which the trade name Xerox refers; a xerophyte is a plant which needs very little water; a xeriscape is a style of landscape design requiring little or no irrigation or other maintenance, used in arid regions; a xeroderma is one of various diseases involving extreme dryness of the skin; the adjective xeric means very dry.