azygous

Adjective

 * 1)  Odd; not one of a pair; single.
 * 2)  in genetics, not containing a specific allele of a gene, or only having wild type alleles (c.f. heterozygous, homozygous)
 * 1)  in genetics, not containing a specific allele of a gene, or only having wild type alleles (c.f. heterozygous, homozygous)

Derived terms

 * azygous vein