- A highly evacuated electron tube containing an anode, a cathode, and a control grid.三极管：带有阳极、阴极和控制栅极的高真空的电子管
- antideuteron
- antidiarrheal
- antidiuretic hormone
- antidote
- antidoted
- antidotes
- antidoting
- antidumping
- antielectron
- antienzyme
- antiestablishment
- Antietam
- antifebrile
- antifederalist
- antifeminist
- antifertility
- antifluoridationist
- antifluoridationists
- antifouling
- antifouling paint
- antifreeze
- antifreezes
- antifungal
- antigalaxy
- antigen