Definition of allelism in English:

allelism

noun

Genetics
  • The existence of allelic forms of a gene; the state of having or occurring as two or more alleles.

Origin

1920s. From allel- + -ism. Compare slightly later allele.

Pronunciation

allelism

/əˈliːlɪz(ə)m//ˈaliːlɪz(ə)m/