dihybrid
- n a hybrid produced by parents that differ only at two gene loci that have two alleles each
dihybrid cross
- n hybridization using two traits with two alleles each
dihydric alcohol
- n any of a class of alcohols having 2 hydroxyl groups in each molecule
dihydrostreptomycin
- n antibiotic consisting of a hydrogenated form of streptomycin; used against tuberculosis and tularemia and Gram-negative organisms