Alt·dorf 
(ältdôrf)
(ältdôrf) A town of central Switzerland near the southeast tip of Lake Lucerne. A statue marks the spot where William Tell is said to have shot an apple off his son's head.
- autistic
- autistically
- autistic savant
- auto
- auto-
- autoantibody
- autoantigen
- autobahn
- autobiographer
- autobiographic
- autobiographical
- autobiographically
- autobiography
- autobus
- autocatalysis
- autocatalytic
- autocatalytically
- autocatalytic plating
- autocephalous
- autocephaly
- autochthon
- autochthonal
- autochthonic
- autochthonism
- autochthonous