arid- +

(Latin: to be dry; lacking enough water for things to grow, dry and barren; by extension, not interesting, lifeless, dull)

areal
1. A level piece of ground.
2. The surface included within a set of lines; specifically, the number of unit squares equal in measure to the surface.
3. The scope of a concept, operation, or activity; a field.
4. Etymology: Latin, "open space, threshing floor"; perhaps akin to Latin arēre, "to be dry"; more at arid.
arid
1. Lacking moisture, especially having insufficient rainfall to support trees or woody plants; such as, an arid climate.
2. Being without moisture; extremely dry; parched; such as, arid land; an arid climate.
3. Lacking interest or feeling; lifeless and dull: "She stared in a technically perfect but arid musical performance."
4. Lacking interest or imaginativeness; sterile; jejune (devoid of significance or interest, dull): "The speaker made an arid treatment of an exciting topic."
arid-agriculture (s) (noun), arid-agricultures (pl)
Desert agriculture or agriculture in very dry areas: Arid-agriculture includes research in how to increase the agricultural productivity of lands dominated by a lack of freshwater, an excessive abundance of heat and sunlight, and usually one or more of extreme winter cold periods, short rainy season, saline soil or water, strong dry winds, and poor soil structure.
aridity
1. A permanent absence of rainfall.
2. A condition yielding nothing of value.
aridly
1. A descriptive reference to being without moisture; extremely dry; parched.
2. Characterized by being barren or unproductive because of a lack of moisture; such as, farmland that is aridly lacking enough moisture for the production of crops.
aridness
1. A permanent absence of rainfall.
2. Dryness; a state of being without moisture.
3. A dry state of the body; emaciation; the withering of a limb.
subarid
Somewhat arid; moderately dry.

Cross reference of another word family related to: "dry": xer-, xero-.