| 1. | any of two or more different forms of the same chemical compound. |
| 2. | Linguistics. one of the alternate contextually determined phonological shapes of a morpheme, as en in oxen, which is an allomorph of the English plural morpheme. Compare morph. |
| 3. | Mineralogy. paramorph. |
| a pseudomorph formed by a change in crystal structure but not in chemical composition. |
al·lo·morph 1 (āl'ə-môrf') n. See paramorph. al'lo·mor'phic adj., al'lo·mor'phism n. |