| AC | orthodoxy of a scholastic variety |
|---|---|
| AC | a learned establishment for the advancement of knowledge |
| AC | a school for special training |
| AC | a secondary school (usually private) |
| AC | an institution for the advancement of art or science or literature |
| AC | the French-speaking part of the Canadian Maritime Provinces |
| AC | a national park in Maine showing marine erosion and glaciation |
| AC | an early French settler in the Maritimes |
| AC | a genus of herbs and shrubs belonging to the family Euphorbiaceae |
| AC | weedy herb of eastern North America |
| AC | widely distributed herbs and shrubs and trees |
| AC | the craniometric point at the anterior extremity of the intermaxillary suture |