noun. In mineralogy, a paramorph, that is, a pseudomorph formed by molecular change only, the chemical composition remaining the same, as calcite after aragonite.

noun. Any one of two or more distinct crystalline forms of the same substance; or the substance having such forms; -- .

noun. A variety of pseudomorph which has undergone partial or complete change or substitution of material; -- thus limonite is frequently an allomorph after pyrite.

noun. Any of the different crystalline forms of a substance.

noun. Any of the different phonological representations of a morpheme.

noun. any of several different crystalline forms of the same chemical compound

noun. a variant phonological representation of a morpheme

"The term allomorph is just linguistobabble for a piece of language, such as a suffix, that shows predictable variation in its form in different positions or circumstances."

allomorphic  allomorphism  

chemical compound  compound