plural of wilderness treatment center

plural of world trade center

A census-designated place in Tulare County, California, United States.

(aviation) A facility for controlling aircraft at high altitudes between airport approaches and departures.

plural of area control center

(military) The principal air operations installation (ship-based) from which all aircraft and air warning functions of tactical air operations are controlled. Also called Navy TACC.

plural of tactical air control center

(chemistry) Any of several forms of extended covalent bond, deficient in one electron, joining three atoms.

plural of three-center two-electron bond