1. a chemical reaction and its reverse proceed at equal rates. 2. a stable situation in which forces cancel one another. 3. equality of distribution. 4. a sensory system located in structures of the inner ear that registers the orientation of the head. Familiarity information: EQUILIBRIUM used as a noun is uncommon.
Fort Apache, Arizona. Fort Apache (Western Apache: TÅÊ¼og Hagai) is an unincorporated community in Navajo County, Arizona, United States. Fort Apache is on the Fort Apache Indian Reservation 2 miles (3.2 km) east of Canyon Day. Fort Apache has a post office with ZIP code 85926.
The lake is located along the Apache Trail and about 16 miles east of Tortilla Flat, in Maricopa County, Arizona. It is about 65 miles (104 km) northeast of Phoenix. Apache Lake is formed by Horse Mesa Dam impounded the Salt River, which was completed in 1927. The second largest of the four Salt River Project reservoirs, Apache Lake is located about 5 miles (8 km) downstream from Theodore Roosevelt Lake (the largest), and upstream from Canyon Lake and Saguaro Lake.