| Word | Definitions | Synonyms |
|---|---|---|
| achlamydeous | (adjective) not having a floral envelope or perianth | - |
| achlorhydria | (noun) an abnormal deficiency or absence of free hydrochloric acid in the gastric juice; often associated with severe anemias and cancer of the stomach | - |
| achlorhydric | (adjective) lacking hydrochloric acid | - |