| ACh | lacking hydrochloric acid |
|---|---|
| ACh | Indonesian statesman who obtained the independence of Indonesia from the Netherlands in 1949 and served as president until ousted by Suharto in a coup d'etat (1901-1970) |
| ACh | a genus of Labridae |
| ACh | found around the Great Barrier Reef |
| ACh | a condition in which little or no bile is secreted or the flow of bile into the digestive tract is obstructed |
| ACh | the Shastan language spoken by the Achomawi people |
| ACh | a member of the North American Indian people of the Pit river valley in northern California |
| ACh | a stony meteor lacking chondrules |
| ACh | not having a granular structure |
| ACh | of or related to an achondrite |
| ACh | an inherited skeletal disorder beginning before birth |
| ACh | of or relating to achondroplasia |