dihydrostreptomycin
- n antibiotic consisting of a hydrogenated form of streptomycin; used against tuberculosis and tularemia and Gram-negative organisms
dihydroxyphenylalanine
- n amino acid that is formed in the liver and converted into dopamine in the brain
dik-dik
- n any of several small antelopes of eastern Africa of the genus Madoqua; the size of a large rabbit