annu - arc
- annual increase
- annual output
- annular
- annular air intake
- annular combustion chamber
- annular cowling
- annular gasket
- annular gear
- annular jet air cushion vehicle
- annular jet hovercraft
- annuli
- annulue
- annulus
- annulus area
- annuluses
- annunciation
- annunciator
- annunciator capsule
- anoxia
- answerback
- antenna
- antenna aperture efficiency
- antenna array
- antenna assembly
- antenna axis
- antenna bandwidth
- antenna beam footprint
- antenna crosstalk
- antenna directivity diagram
- antenna diversity
- antenna dome
- antenna effective area
- antenna efficiency
- antenna feeder
- antenna footprint
- antenna gain
- antenna lead
- antenna repeat dial
- antenna scanner
- antenna tracking
