air - anti
- annual growth
- annual growth factor
- annual height increment
- annual holdover storage
- annual hydrograph
- annual inspection
- annual irrigation deficit
- annual man-rem dose
- annual maximum
- annual maximum [annual peak] load
- annual mean
- annual mileage
- annual minimum
- annual output
- annual peak
- annual plant factor
- annual precipitation
- annual rainfall
- annual range
- annual ridership
- annual ring
- annual runoff
- annual snowfall
- annual standby charge
- annual storage
- annual time scale
- annual yield of reservoir
- annual zone
- annular accelerator
- annular air intake
- annular antenna
- annular aperture
- annular beam
- annular bearing
- annular biological reactor
- annular bit
- annular blowout preventer
- annular brake disk
- annular chamber kiln
- annular channel