n. - Any one of two or more distinct crystalline forms of the
same substance; or the substance having such forms; -- as, carbonate of
lime occurs in the allomorphs calcite and aragonite.
n. - A variety of pseudomorph which has undergone partial or
complete change or substitution of material; -- thus limonite is
frequently an allomorph after pyrite.
n. - Any one of two or more distinct crystalline forms of the
same substance; or the substance having such forms; -- as, carbonate of
lime occurs in the allomorphs calcite and aragonite.
n. - A variety of pseudomorph which has undergone partial or
complete change or substitution of material; -- thus limonite is
frequently an allomorph after pyrite.