பொருள் : Any of several different crystalline forms of the same chemical compound.
எடுத்துக்காட்டு :
Calcium carbonate occurs in the allomorphs calcite and aragonite.
பொருள் : A variant phonological representation of a morpheme.
எடுத்துக்காட்டு :
The final sounds of `bets' and `beds' and `horses' and `oxen' are allomorphs of the English plural morpheme.