ж., -и 1. main/head office; автоматична телефонна ~а automatic exchange; телефонна ~а (central) telephone exchange; ~а, моля operator, please;
2. ел. station; plant; водноелектрическа ~а hydroelectric power plant, water-power plant/station; електрическа ~а electric power-station; топлоелектрическа ~а fuel-burning power plant, thermal-electric power station.