cent - circ
- center
- centering
- central
- central air-conditioning system
- central air-handling unit
- central aisle
- central altar
- central arch
- central archway
- central area
- central atmospheric-pressure boiler station
- central axis
- central barrier
- central bay
- central block
- central boiler installation
- central box girder
- central business district
- central city
- central conditioning plant
- central control
- central control system
- central core
- central core of stability
- central corridor
- central court
- central cupola
- central district
- central emptying
- central entrance
- central fan system
- central feature
- central fire
- central frame
- central gable
- central grating
- central hall
- central heating
- central heating boiler
- central heating plant
