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 Fort Sill Apache Tribe is the federally recognized Native American tribe of Chiricahua Warm Springs Apache in Oklahoma.overnment [edit]. The Fort Sill Apache Tribe is headquartered in Apache, Oklahoma. Tribal member enrollment, which requires a 1/16 minimum blood quantum (equivalent to one great-great-grandparent), stands at 650.