You searched for: “allomorphism
1. A change in form without a change in chemical constitution.
2. The property of certain chemical substances of occurring in different crystalline; forms; for example, calcium carbonate exists as calcite and as aragonite.
3. The property possessed by certain substances of assuming a different crystalline form while remaining unchanged in chemical constitution.
4. A variant phonological representation of a morpheme; such as, the final sounds of "bets" and "beds"; as well as, "horses" and "oxen" are allomorphs of the English plural morpheme.
This entry is located in the following units: allo-, all- (page 7) -ism, -ismus (page 4)
Variability in crystalline form without change in chemical constitution.