rare. [f. Gr. ἀλλογενή-ς of another race, (f. ἄλλο-ς other + γέν-ος γένε-, kind) + -ITY.] Difference of nature.
1825. Coleridge, Rem. (1836), II. 336. Its hetero- or rather its allo-geneity, that is, its diversity, its difference in kind.
